updated for version 7.3.1139

Problem:    New regexp engine: negated flag is hardly used.
Solution:   Add separate _NEG states, remove negated flag.

src/regexp.h

@@ -73,7 +73,6 @@ struct nfa_state
     nfa_state_T		*out1;
     int			id;
     int			lastlist[2]; /* 0: normal, 1: recursive */
-    int			negated;
     int			val;
 };