scratch/ns/testing e8bd0b7 5/6: Make NS toolbar item ID more unique (bug#50160)

[Alan Third]

branch: scratch/ns/testing
commit e8bd0b720ab71e4ba884891bbe3dd1b1fa740298
Author: Alan Third <alan@idiocy.org>
Commit: Alan Third <alan@idiocy.org>

    Make NS toolbar item ID more unique (bug#50160)
    
    * src/nsmenu.m
    ([EmacsToolbar 
addDisplayItemWithImage:idx:tag:labelText:helpText:enabled:]):
    Add the label to the identifier to avoid collisions between toolbar
    items that use the same image.
---
 src/nsmenu.m | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/nsmenu.m b/src/nsmenu.m
index 0e271e2..0d0b2f6 100644
--- a/src/nsmenu.m
+++ b/src/nsmenu.m
@@ -1196,8 +1196,8 @@ update_frame_tool_bar (struct frame *f)
   NSTRACE ("[EmacsToolbar addDisplayItemWithImage: ...]");
 
   /* 1) come up w/identifier */
-  NSString *identifier
-    = [NSString stringWithFormat: @"%lu", (unsigned long)[img hash]];
+  NSString *identifier = [NSString stringWithFormat: @"%lu%@",
+                                   (unsigned long)[img hash], label];
   [activeIdentifiers addObject: identifier];
 
   /* 2) create / reuse item */