patch 8.2.2091: MS-Windows: build warnings

Problem:    MS-Windows: build warnings.
Solution:   Add a #pragma to suppress the deprecation warning. (Ken Takata)
            Avoid using a non-ASCII character. (closes #7421)

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2091,
 /**/
     2090,
 /**/