Cleanup: Use bool instead of int

source/blender/editors/interface/interface_handlers.c

@@ -397,8 +397,8 @@ typedef struct uiHandleButtonData {
   float vec[3], origvec[3];
   ColorBand *coba;
 
-  /* Tool-tip. */
-  uint tooltip_force : 1;
+  /* True when alt is held and the preference for displaying tooltips should be ignored. */
+  bool tooltip_force;
 
   /* auto open */
   bool used_mouse;