patch 7.4.769

Problem:    Behavior of :diffoff is not tested.
Solution:   Add a bit of testing. (Olaf Dabrunz)

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    769,
 /**/
     768,
 /**/