Update zgl_mouse.pas

Zengl_SRC/src/zgl_mouse.pas

@@ -21,7 +21,7 @@
  *  3. This notice may not be removed or altered from any
  *     source distribution.
 
- !!! modification from Serge 29.04.2021
+ !!! modification from Serge 29.04.2022
 }
 unit zgl_mouse;