master 06d826d0ca: Fix error when creating frames on NS with no main window

[Po Lu]

branch: master
commit 06d826d0cac4f82e9bf6ce2c1e38ddbc882a5220
Author: Po Lu <luangruo@yahoo.com>
Commit: Po Lu <luangruo@yahoo.com>

    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.
---
 src/nsfns.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/nsfns.m b/src/nsfns.m
index 6256bd220d..720ed3f88e 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