updated for version 7.4.515

Problem:    In a help buffer the global 'foldmethod' is used.  (Paul Marshall)
Solution:   Reset 'foldmethod' when starting to edit a help file.  Move the
            code to a separate function.

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    515,
 /**/
     514,
 /**/