patch 8.2.1148: warning for using int instead of size_t

Problem:    Warning for using int instead of size_t.
Solution:   Change "len" argument to size_t. (Mike Williams)

src/version.c

@@ -754,6 +754,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1148,
 /**/
     1147,
 /**/