-Minor tweaks to fix the regression tests.

git-svn-id: http://pefile.googlecode.com/svn/trunk@128 8842bc4e-7134-0410-8230-5dc5194fb5c1
diff --git a/pefile.py b/pefile.py
index d78c720..f3d53ce 100644
--- a/pefile.py
+++ b/pefile.py
@@ -2181,7 +2181,7 @@
                                                 u'\0' ] * remainder*2
 
         if is_bytearray_available():
-            new_file_data = file_data
+            new_file_data = ''.join( chr(c) for c in file_data )
         else:
             new_file_data = ''.join( [ chr(ord(c)) for c in file_data] )