windows: reword a bit the gtkglext workaround

diff --git a/radiant/groupdialog.cpp b/radiant/groupdialog.cpp
index dbad5b89680b43f9f5d74a9bee220d0f0be845ae..d96bc7c271bea3be9beae9c5f8974eb08d7bd0d0 100644 (file)
--- a/radiant/groupdialog.cpp
+++ b/radiant/groupdialog.cpp
@@ -185,7 +185,10 @@ void GroupDialog_setPage( ui::Widget page ){
 }
 
 #ifdef WORKAROUND_WINDOWS_GTK2_GLWIDGET
-void GroupDialog_cycle();
+void GroupDialog_cycle(){
+       g_current_page = ( g_current_page + 1 ) % g_pages.size();
+       gtk_notebook_set_current_page( GTK_NOTEBOOK( g_GroupDlg.m_pNotebook ), gint( g_current_page ) );
+}
 #endif // WORKAROUND_WINDOWS_GTK2_GLWIDGET
 
 void GroupDialog_showPage( ui::Widget page ){
@@ -213,11 +216,6 @@ void GroupDialog_showPage( ui::Widget page ){
        workaround_macos_show_hide();
 }
 
-void GroupDialog_cycle(){
-       g_current_page = ( g_current_page + 1 ) % g_pages.size();
-       gtk_notebook_set_current_page( GTK_NOTEBOOK( g_GroupDlg.m_pNotebook ), gint( g_current_page ) );
-}
-
 void GroupDialog_updatePageTitle( ui::Widget page ){
        if ( GroupDialog_getPage() == page ) {
                GroupDialog_updatePageTitle( g_GroupDlg.m_window, g_current_page );