[PATCH] Fix a --enable-gcc-warnings problem.

[Joel E. Denny]

I pushed this to branch-2.5 and master.

Alex, would you please build Bison with "./configure 
--enable-gcc-warnings" and fix the remaining errors?  You're missing void 
on a couple of function prototypes, and you're disobeying -Wshadow in many 
places.  The latter, at least, is part of the GNU coding standards. 
Thanks.

>From a1ed2b71faac0de1db1c0e279ee3203115ec70d8 Mon Sep 17 00:00:00 2001
From: Joel E. Denny <address@hidden>
Date: Wed, 29 Jul 2009 13:47:02 -0400
Subject: [PATCH] Fix a --enable-gcc-warnings problem.

* src/scan-gram.l (SC_ESCAPED_CHARACTER): Actually use length
variable.

diff --git a/src/scan-gram.l b/src/scan-gram.l
index 0c12cba..422eae6 100644
--- a/src/scan-gram.l
+++ b/src/scan-gram.l
@@ -472,9 +472,9 @@ splice       (\\[ \f\t\v]*\n)*
     {
       /* FIXME: Eventually, make these errors.  */
       size_t length = strlen (last_string);
-      if (strlen (last_string) < 3)
+      if (length < 3)
         warn_at (*loc, _("empty character literal"));
-      else if (strlen (last_string) > 3)
+      else if (length > 3)
         warn_at (*loc, _("extra characters in character literal"));
     }
     if (yytext[0] == '\n')
-- 
1.5.4.3