fix problem

[GoogleCodeExporter]

Hawkscope Bug Report
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Widget is disposed
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org.eclipse.swt.SWTException: Widget is disposed
    at org.eclipse.swt.SWT.error(Unknown Source)
    at org.eclipse.swt.SWT.error(Unknown Source)
    at org.eclipse.swt.SWT.error(Unknown Source)
    at org.eclipse.swt.widgets.Widget.error(Unknown Source)
    at org.eclipse.swt.widgets.Widget.getDisplay(Unknown Source)
    at com.varaneckas.hawkscope.menu.MainMenu.doReload(MainMenu.java:204)
    at com.varaneckas.hawkscope.menu.MainMenu.access$200(MainMenu.java:56)
    at com.varaneckas.hawkscope.menu.MainMenu$4.run(MainMenu.java:266)
    at java.lang.Thread.run(Thread.java:680)

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Hawkscope Environment Report
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Hawkscope 0.6.3 (2010-08-16) [http://hawkscope.googlecode.com]
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mac.menubar.blues.workaround: 1
global.hotkey.enabled: 0
display.hidden: 0
http.proxy.auth.password: ******
http.proxy.auth.username: 
hide.known.file.ext: 0
menu.reload.delay: 3000
use.os.icons: 1
update.check: 1
http.proxy.host: 
filesystem.blacklist: 
http.proxy.port: 8080
icons.theme: mac
display.floppy: 0
http.proxy.auth.use: 0
global.hotkey: Shift + Space
quick.access.list: ${user.home};/Applications
plugin.dir: ${user.home}/Library/Application Support/Hawkscope
http.proxy.use: 0
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java.runtime.name: Java(TM) SE Runtime Environment
sun.boot.library.path: 
/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Libraries
java.vm.version: 20.45-b01-451
awt.nativeDoubleBuffering: true
gopherProxySet: false
mrj.build: 11M4406
java.vm.vendor: Apple Inc.
java.vendor.url: http://www.apple.com/
path.separator: :
java.vm.name: Java HotSpot(TM) Client VM
file.encoding.pkg: sun.io
sun.java.launcher: SUN_STANDARD
user.country: FR
sun.os.patch.level: unknown
java.vm.specification.name: Java Virtual Machine Specification
user.dir: /
java.runtime.version: 1.6.0_45-b06-451-11M4406
java.awt.graphicsenv: apple.awt.CGraphicsEnvironment
java.endorsed.dirs: 
/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home/lib/endorsed
os.arch: i386
apple.awt.graphics.UseOpenGL: false
java.io.tmpdir: /var/folders/0x/_8p279vj75nd312d1d7_gl0c0000gn/T/
line.separator: 

java.vm.specification.vendor: Sun Microsystems Inc.
os.name: Mac OS X
sun.jnu.encoding: MacRoman
java.library.path: /Applications/Hawkscope.app/Contents/MacOS
java.specification.name: Java Platform API Specification
java.class.version: 50.0
sun.management.compiler: HotSpot Client Compiler
os.version: 10.8.3
org.eclipse.swt.internal.carbon.noFocusRing: 
http.nonProxyHosts: local|*.local|169.254/16|*.169.254/16
user.home: /Users/Sam
user.timezone: Europe/Paris
java.awt.printerjob: apple.awt.CPrinterJob
file.encoding: MacRoman
java.specification.version: 1.6
java.class.path: /Applications/Hawkscope.app/Contents/MacOS/hawkscope.jar
user.name: Sam
apple.awt.graphics.UseQuartz: false
java.vm.specification.version: 1.0
sun.java.command: com.varaneckas.hawkscope.Launcher
java.home: /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
sun.arch.data.model: 32
user.language: fr
java.specification.vendor: Sun Microsystems Inc.
awt.toolkit: apple.awt.CToolkit
org.eclipse.swt.internal.carbon.smallFonts: 
java.vm.info: mixed mode
java.version: 1.6.0_45
java.ext.dirs: 
/Library/Java/Extensions:/System/Library/Java/Extensions:/System/Library/Java/Ja
vaVirtualMachines/1.6.0.jdk/Contents/Home/lib/ext
sun.boot.class.path: 
/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Classes/jsfd.jar:/Sy
stem/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Classes/classes.jar:/Sy
stem/Library/Frameworks/JavaVM.framework/Frameworks/JavaRuntimeSupport.framework
/Resources/Java/JavaRuntimeSupport.jar:/System/Library/Java/JavaVirtualMachines/
1.6.0.jdk/Contents/Classes/ui.jar:/System/Library/Java/JavaVirtualMachines/1.6.0
.jdk/Contents/Classes/laf.jar:/System/Library/Java/JavaVirtualMachines/1.6.0.jdk
/Contents/Classes/sunrsasign.jar:/System/Library/Java/JavaVirtualMachines/1.6.0.
jdk/Contents/Classes/jsse.jar:/System/Library/Java/JavaVirtualMachines/1.6.0.jdk
/Contents/Classes/jce.jar:/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Con
tents/Classes/charsets.jar
java.vendor: Apple Inc.
file.separator: /
java.vendor.url.bug: http://bugreport.apple.com/
sun.io.unicode.encoding: UnicodeLittle
sun.cpu.endian: little
mrj.version: 1070.1.6.0_45-451
socksNonProxyHosts: local|*.local|169.254/16|*.169.254/16
ftp.nonProxyHosts: local|*.local|169.254/16|*.169.254/16
sun.awt.exception.handler: apple.awt.CToolkit$EventQueueExceptionHandler
sun.cpu.isalist:
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Sat Jun 01 13:26:11 CEST 2013
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Original issue reported on code.google.com by samuel.v...@gmail.com on 1 Jun 2013 at 11:26