master a421f40d87: Synchronize NS fringe bitmap code with X

[Po Lu]

branch: master
commit a421f40d8765262b49d89804e96757671456d97d
Author: Po Lu <luangruo@yahoo.com>
Commit: Po Lu <luangruo@yahoo.com>

    Synchronize NS fringe bitmap code with X
    
    * nsterm.m (ns_draw_fringe_bitmap): Redefine bitmap if it does
    not already exist.
---
 src/nsterm.m | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/nsterm.m b/src/nsterm.m
index aba26ef758..639f8781e4 100644
--- a/src/nsterm.m
+++ b/src/nsterm.m
@@ -2916,6 +2916,13 @@ ns_draw_fringe_bitmap (struct window *w, struct 
glyph_row *row,
     }
 
   NSBezierPath *bmp = [fringe_bmp objectForKey:[NSNumber 
numberWithInt:p->which]];
+
+  if (bmp == nil)
+    {
+      gui_define_fringe_bitmap (f, p->which);
+      bmp = [fringe_bmp objectForKey: [NSNumber numberWithInt: p->which]];
+    }
+
   if (bmp)
     {
       NSAffineTransform *transform = [NSAffineTransform transform];