patch 7.4.768
Problem:    :diffoff only works properly once.
Solution:   Also make :diffoff work when used a second time. (Olaf Dabrunz)
diff --git a/src/version.c b/src/version.c
index 709bf99..047fd12 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    768,
+/**/
     767,
 /**/
     766,