Fixed wxCheckBox on wxGTK (SetLabel called before widget creation),

wxListBox::GetSelection returning -1 now doesn't assert; wxProp improvements
for wxGTK; parser.y includes <io.h> under VC++ to eliminate 'read' warning


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@709 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/dosyacc.c

@@ -4,6 +4,9 @@ static char yysccsid[] = "@(#)yaccpar     1.7 (Berkeley) 09/09/90";
 #define YYBYACC 1
 #line 2 "parser.y"
 #include "string.h"
+#ifdef _MSC_VER
+#include <io.h>
+#endif
 #include "wx/expr.h"
 
 #ifndef __EXTERN_C__