Fix for command key presses + a letter not triggering keyUp. Fix by Katharine Berry.

indra/llwindow/llopenglview-objc.mm

@@ -283,6 +283,14 @@
 	[[self inputContext] handleEvent:theEvent];
 	uint keycode = [theEvent keyCode];
 	callKeyDown(keycode, mModifiers);
+	
+	// OS X intentionally does not send us key-up information on cmd-key combinations.
+	// This behaviour is not a bug, and only applies to cmd-combinations (no others).
+	// Since SL assumes we receive those, we fake it here.
+	if (mModifiers & NSCommandKeyMask)
+	{
+		callKeyUp([theEvent keyCode], mModifiers);
+	}
 }
 
 - (void)flagsChanged:(NSEvent *)theEvent {