updated for version 7.3.438

Problem:    There is no way to avoid ":doautoall" reading modelines.
Solution:   Add the <nomodeline> argument. Adjust documentation.

src/version.c

@@ -714,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    438,
 /**/
     437,
 /**/