Include gdk/gdkkeysyms-compat.h.

GTK+ 2.22 changed GDK_* keysym constants to GDK_KEY_* and introduced a new header for the old names. This header must be explicitly included in GTK+ 3, so do it for now. In the long run, we should migrate to the new names.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67136 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk/listbox.cpp

@@ -34,7 +34,11 @@
 #endif
 
 #include <gtk/gtk.h>
+
 #include <gdk/gdkkeysyms.h>
+#if GTK_CHECK_VERSION(3,0,0)
+#include <gdk/gdkkeysyms-compat.h>
+#endif
 
 //-----------------------------------------------------------------------------
 // data

src/gtk/radiobox.cpp

@@ -19,7 +19,11 @@
 #endif
 
 #include "wx/gtk/private.h"
+
 #include <gdk/gdkkeysyms.h>
+#if GTK_CHECK_VERSION(3,0,0)
+#include <gdk/gdkkeysyms-compat.h>
+#endif
 
 //-----------------------------------------------------------------------------
 // wxGTKRadioButtonInfo

src/gtk/window.cpp

@@ -37,9 +37,14 @@
 
 #include "wx/gtk/private.h"
 #include "wx/gtk/private/win_gtk.h"
-#include <gdk/gdkkeysyms.h>
+
 #include <gdk/gdkx.h>
 
+#include <gdk/gdkkeysyms.h>
+#if GTK_CHECK_VERSION(3,0,0)
+#include <gdk/gdkkeysyms-compat.h>
+#endif
+
 #if !GTK_CHECK_VERSION(2,10,0)
     // GTK+ can reliably detect Meta key state only since 2.10 when
     // GDK_META_MASK was introduced -- there wasn't any way to detect it