From 73fa1ec0e64af5c2e66a4a012586d60020d22345 Mon Sep 17 00:00:00 2001
From: "kr.angelov" <kr.angelov@gmail.com>
Date: Fri, 4 Oct 2013 12:56:45 +0000
Subject: [PATCH] suppress warning in graphviz.c

---
 src/runtime/c/pgf/graphviz.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/runtime/c/pgf/graphviz.c b/src/runtime/c/pgf/graphviz.c
index 5bf270003..11ecabe40 100644
--- a/src/runtime/c/pgf/graphviz.c
+++ b/src/runtime/c/pgf/graphviz.c
@@ -131,7 +131,7 @@ pgf_bracket_lzn_expr_literal(PgfLinFuncs** funcs, PgfLiteral lit)
 {
 	PgfBracketLznState* state = gu_container(funcs, PgfBracketLznState, funcs);
 
-	GuString label;
+	GuString label = NULL;
 
 	GuVariantInfo i = gu_variant_open(lit);
     switch (i.tag) {