updated for version 7.3.1084

Problem:    New regexp engine: only accepts up to \{,10}.
Solution:   Remove upper limit.  Remove dead code with NFA_PLUS.

src/version.c

@@ -728,6 +728,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1084,
 /**/
     1083,
 /**/