patch 7.4.1765

Problem:    Undo options are not together in the options window.
Solution:   Put them together.  (Gary Johnson)

src/version.c

@@ -748,6 +748,10 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1765,
+/**/
+    1764,
 /**/
     1763,
 /**/