Fix crash when updating all plugins (result acccessed before it was defined)

[laino]

diff --git a/modules/waitdlg.py b/modules/waitdlg.py
index 69bb362..710aa39 100644
--- a/modules/waitdlg.py
+++ b/modules/waitdlg.py
@@ -141,11 +141,17 @@ class CheckWorker(Qt.QThread):
                return (False, None)

        def run(self):
+               result = None
+
                if self.addon[2].startswith("http://www.curse.com"):
                        result = self.needsUpdateCurse()
                elif self.addon[2].endswith(".git"):
                        result = self.needsUpdateGit()
-               self.checkFinished.emit(self.addon, result[0], result[1])
+
+               if result != None:
+                       self.checkFinished.emit(self.addon, result[0], result[1])
+               else:
+                       self.checkFinished.emit(self.addon, False, False)

 class UpdateDlg(Qt.QDialog):
        updateFinished = Qt.pyqtSignal(Qt.QVariant, bool)

[ephraim]

accepted and pushed.