patch 9.0.0931: MS-Windows: mouse column limited to 223

Problem:    MS-Windows: mouse column limited to 223.
Solution:   Use two bytes for each mouse coordinate.  Add the mouse position
            to scroll events. (Christopher Plewright, closes #11597)

src/version.c

@@ -695,6 +695,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    931,
 /**/
     930,
 /**/