Fix error when creating frames on NS with no main window

* nsfns.m (Fx_create_frame): If main window is not present,
center frame window instead of cascading it.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/nsfns.m b/src/nsfns.m
index 6256bd220dd..720ed3f88e5 100644
--- a/src/nsfns.m
+++ b/src/nsfns.m
@@ -1503,7 +1503,7 @@ DEFUN ("x-create-frame", Fx_create_frame, Sx_create_frame,
           [frame_window cascadeTopLeftFromPoint: top_left];
         }
       else
-        [main_window center];
+        [frame_window center];
     }
 
   /* Make sure windows on this frame appear in calls to next-window