[src/trunk]: src/lib/libedit Try to fix build of port where "char" is unsigned.

[tron <tron%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/5c3fcdaa6c68
branches:  trunk
changeset: 767133:5c3fcdaa6c68
user:      tron <tron%NetBSD.org@localhost>
date:      Sat Jul 09 16:04:34 2011 +0000

description:
Try to fix build of port where "char" is unsigned.

diffstat:

 lib/libedit/read.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r 86892cd613a5 -r 5c3fcdaa6c68 lib/libedit/read.c
--- a/lib/libedit/read.c        Sat Jul 09 16:03:00 2011 +0000
+++ b/lib/libedit/read.c        Sat Jul 09 16:04:34 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: read.c,v 1.59 2011/07/08 15:54:56 christos Exp $       */
+/*     $NetBSD: read.c,v 1.60 2011/07/09 16:04:34 tron Exp $   */
 
 /*-
  * Copyright (c) 1992, 1993
@@ -37,7 +37,7 @@
 #if 0
 static char sccsid[] = "@(#)read.c     8.1 (Berkeley) 6/4/93";
 #else
-__RCSID("$NetBSD: read.c,v 1.59 2011/07/08 15:54:56 christos Exp $");
+__RCSID("$NetBSD: read.c,v 1.60 2011/07/09 16:04:34 tron Exp $");
 #endif
 #endif /* not lint && not SCCSID */
 
@@ -352,7 +352,7 @@
                        }
                        goto again;
                }
-       } else if (*cbuf >= 0 ||  /* ASCII */
+       } else if ((signed char)cbuf[0] >= 0 ||  /* ASCII */
                /* we don't support other multibyte charsets */
                ++cbp != 1 ||
                /* Try non-ASCII characters in a 8-bit character set */