fname use after free in process_ewf::open

[ant1]

Hi,

In process_ewf::open, fname is being freed immediately before having being used. Patch below seems to fix the problem

--- ./src/image_process.h.orig  2014-01-15 15:00:06.000000000 +0000
+++ ./src/image_process.h       2014-06-09 14:15:54.000000000 +0000
@@ -128,7 +128,7 @@
     virtual int open()=0;                                  /* open; return 0 if successful */
     virtual int pread(uint8_t *,size_t bytes,int64_t offset) const =0;     /* read */
     virtual int64_t image_size() const=0;
-    virtual std::string image_fname() const { return image_fname_;}
+    virtual const std::string &image_fname() const { return image_fname_;}

     /* iterator support; these virtual functions are called by iterator through (*myimage) */
     virtual image_process::iterator begin() const =0;

[simsong]

Thanks. Fixed in 53251a7..f896304