From a6d3d8691b2fedaf79e719469f0654047cd1548d Mon Sep 17 00:00:00 2001
From: Axel Kohlmeyer <akohlmey@gmail.com>
Date: Mon, 6 Jan 2014 17:47:54 -0500
Subject: [PATCH] fix pointer arithmetic bug in read_data

---
 src/read_data.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/read_data.cpp b/src/read_data.cpp
index 2db5fa8af7..3ce6eab345 100644
--- a/src/read_data.cpp
+++ b/src/read_data.cpp
@@ -63,7 +63,7 @@ static int style_match(const char *one, const char *two)
 
   // cannot compare empty styles
 
-  if ((len1 == NULL) || (len2 == NULL)) return 1;
+  if ((one == NULL) || (two == NULL)) return 1;
 
   len1 = strlen(one);
   len2 = strlen(two);