updated for version 7.3.756

Problem:    A location list can get a wrong count in :lvimgrep.
Solution:   Check if the list was changed by autocommands. (mostly by
            Christian Brabandt)

src/version.c

@@ -725,6 +725,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    756,
 /**/
     755,
 /**/