updated for version 7.3.880

Problem:    When writing viminfo, old history lines may replace lines written
            more recently by another Vim instance.
Solution:   Mark history entries that were read from viminfo and overwrite
            them when merging with the current viminfo.

src/version.c

@@ -728,6 +728,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    880,
 /**/
     879,
 /**/