dfa.h fix for gawk

[Aharon Robbins]

>From 1d9a811652ab4811a817c3be06e09d08e3d8a09b Mon Sep 17 00:00:00 2001
From: Arnold D. Robbins <address@hidden>
Date: Thu, 8 Apr 2010 20:42:34 +0300
Subject: [PATCH] Fix declaration of dfabroken in dfa.h

* dfa.h (dfabroken): Fix declaration to match that in dfa.c.
---
 src/dfa.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/dfa.h b/src/dfa.h
index c107930..56a3809 100644
--- a/src/dfa.h
+++ b/src/dfa.h
@@ -98,5 +98,5 @@ extern void dfaerror (const char *) __attribute__ 
((noreturn));
 #ifdef GAWK
 /* Returns true if the regex is one where the dfa matcher
    is broken and thus should not be used. */
-extern int dfabroken (struct dfa *);
+extern int dfabroken (struct dfa const *);
 #endif
-- 
1.5.3.3