Fix #34997: when starting the game engine in one window and switching to a second

window, the game would stop drawing in the first and mess up the OpenGL state of
the second.

Also fixes glPushAttrib/glPopAttrib getting out of sync in some cases.

source/blender/windowmanager/intern/wm.c

@@ -384,7 +384,7 @@ void wm_add_default(bContext *C)
 	
 	wm->winactive = win;
 	wm->file_saved = 1;
-	wm_window_make_drawable(C, win); 
+	wm_window_make_drawable(wm, win); 
 }