patch 7.4.813

Problem:    It is not possible to save and restore character search state.
Solution:   Add getcharsearch() and setcharsearch().  (James McCoy)

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    813,
 /**/
     812,
 /**/