fix hang on startup in Unicode build if any standard GTK+ command line arguments were passed (patch 1665203; bug 1663597) [backport from HEAD]

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@44655 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/changes.txt

@@ -113,6 +113,10 @@ wxMSW
 - Fix lack of spin control update event when control lost focus.
 - Corrected drawing of bitmaps for disabled menu items.
 
+wxGTK
+
+- Fix hang on startup when using GTK+ options in Unicode build
+
 wxMac
 
 - Added support for the wxFRAME_FLOAT_ON_PARENT style.

src/gtk/app.cpp

@@ -478,7 +478,7 @@ bool wxApp::Initialize(int& argc, wxChar **argv)
         {
             while ( strcmp(wxConvUTF8.cWX2MB(argv[i]), argvGTK[i]) != 0 )
             {
-                memmove(argv + i, argv + i + 1, argc - i);
+                memmove(argv + i, argv + i + 1, (argc - i)*sizeof(*argv));
             }
         }