First step in the Vim 7.3 branch.  Changed version numbers.
diff --git a/src/gui_gtk_x11.c b/src/gui_gtk_x11.c
index f905eaf..74b6de9 100644
--- a/src/gui_gtk_x11.c
+++ b/src/gui_gtk_x11.c
@@ -4428,7 +4428,7 @@
     /* this will cause the proper resizement to happen too */
     update_window_manager_hints(0, 0);
 
-#else  /* HAVE_GTK2 */
+#else
     /* this will cause the proper resizement to happen too */
     if (gtk_socket_id == 0)
 	update_window_manager_hints(0, 0);
@@ -4444,14 +4444,14 @@
     else
 	update_window_manager_hints(width, height);
 
-#if 0
+# if 0
     if (!resize_idle_installed)
     {
 	g_idle_add_full(GDK_PRIORITY_EVENTS + 10,
 			&force_shell_resize_idle, NULL, NULL);
 	resize_idle_installed = TRUE;
     }
-#endif
+# endif
     /*
      * Wait until all events are processed to prevent a crash because the
      * real size of the drawing area doesn't reflect Vim's internal ideas.