From d9d3857ee0433f343599e40da19bbaa2fe7cb5df Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Richard=20W=C3=B6ber?= <richard.woeber@me.com>
Date: Mon, 4 Jan 2010 22:40:37 +0100
Subject: [PATCH] Using String#unpack instead of String#bytes to work with Ruby
 < 1.8.7

---
 lib/compass/grid_builder.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/compass/grid_builder.rb b/lib/compass/grid_builder.rb
index af025b26..600516a7 100644
--- a/lib/compass/grid_builder.rb
+++ b/lib/compass/grid_builder.rb
@@ -15,7 +15,7 @@ module Compass
 
     class << self
       def crc(chunkdata='') 
-        chunkdata.bytes.to_a.inject(0xffffffff){|crc, byte| CRC_TABLE[(crc ^ byte)  & 0xff] ^ (crc >> 8) } ^  0xffffffff
+        chunkdata.unpack('C*').to_a.inject(0xffffffff){|crc, byte| CRC_TABLE[(crc ^ byte)  & 0xff] ^ (crc >> 8) } ^  0xffffffff
       end
 
       def chunk(type, data="")