return false from Dispatch() if gtk_main_quit() was called (patch 1864846)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@51039 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/changes.txt

@@ -120,6 +120,10 @@ wxMSW:
 - Fix rare bug with messages delivered to wrong wxSocket (Tim Kosse)
 - Fix setting icons when they have non-default (16*16 and 32*32) sizes
 
+wxGTK:
+
+- Return false from wxEventLoop::Dispatch() if gtk_main_quit() was called and
+  so the loop should exit (Rodolfo Schulz de Lima)
 
 
 2.8.7