fix mem leak in free_value (bug #2990)

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@4398 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 2 insertions, 0 deletions

diff --git a/ast_expr.y b/ast_expr.y
index 97b2b021c..71546f1b0 100755
--- a/ast_expr.y
+++ b/ast_expr.y
@@ -215,6 +215,8 @@ struct val *vp;
 	}
 	if (vp->type == string || vp->type == numeric_string)
 		free (vp->u.s);	
+	if (vp)
+		free (vp);
 }