From: Emden R. Gansner <erg@research.att.com>
Date: Tue, 13 Aug 2013 19:40:03 +0000 (-0400)
Subject: Fix warning from gcc
X-Git-Tag: LAST_LIBGRAPH~32^2~87
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=400046cab1599dfe7ec1410a4600ee19316f1942;p=graphviz

Fix warning from gcc
---

diff --git a/lib/ast/strmatch.c b/lib/ast/strmatch.c
index faa83dd22..3e374a9c9 100644
--- a/lib/ast/strmatch.c
+++ b/lib/ast/strmatch.c
@@ -146,7 +146,7 @@ typedef struct {
 #endif
 
 #ifndef isxdigit
-#define isxdigit(c)	((c)>='0'&&(c)<='9'||(c)>='a'&&(c)<='f'||(c)>='A'&&(c)<='F')
+#define isxdigit(c)	(((c)>='0'&&(c)<='9')||((c)>='a'&&(c)<='f')||((c)>='A'&&(c)<='F'))
 #endif
 
 #define getsource(s,e)	(((s)>=(e))?0:mbgetchar(s))