When writing data from repository open file as binary.

Windows requires files to be explicitly opened as binaries, otherwise it will
perform line ending translations. We really don't want the OS to mess with
that.

Change-Id: Id56de354b7ad0e5b056540755f7108456f3263ed

Author: bluebrother

utils/common/gitscraper.py

@@ -115,7 +115,7 @@ def get_object(repo, blob, destfile):
         return False
     if not os.path.exists(os.path.dirname(destfile)):
         os.makedirs(os.path.dirname(destfile))
-    f = open(destfile, 'w')
+    f = open(destfile, 'wb')
     for line in cmdout[0]:
         f.write(line)
     f.close()