support for GTK3

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71894 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk/bmpcbox.cpp

@@ -30,6 +30,7 @@
     #include "wx/log.h"
 #endif
 
+#include <gtk/gtk.h>
 #include "wx/gtk/private.h"
 
 // ============================================================================
@@ -121,7 +122,11 @@ void wxBitmapComboBox::GTKCreateComboBoxWidget()
     }
     else
     {
+#ifdef __WXGTK3__
+        m_widget = gtk_combo_box_new_with_model_and_entry(GTK_TREE_MODEL(store));
+#else
         m_widget = gtk_combo_box_entry_new_with_model( GTK_TREE_MODEL(store), m_stringCellIndex );
+#endif
         m_entry = GTK_ENTRY(gtk_bin_get_child(GTK_BIN(m_widget)));
         gtk_editable_set_editable(GTK_EDITABLE(m_entry), true);
     }