patch 7.4.1089

Problem:    Repeating CTRL-A doesn't work.
Solution:   Call prep_redo_cmd(). (Hirohito Higashi)

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1089,
 /**/
     1088,
 /**/