Fix coding to be utf-8 instead of UTF-8
Old UTF-8 resulted in this error from GNU Emacs:
Warning (mule): Invalid coding system `UTF-8' is specified
for the current buffer/file by the :coding tag.
It is highly recommended to fix it before writing to a file.
diff --git a/contrib/xorg/download-xorg-7.5 b/contrib/xorg/download-xorg-7.5
index 1b802a2..702b3c2 100755
--- a/contrib/xorg/download-xorg-7.5
+++ b/contrib/xorg/download-xorg-7.5
@@ -1,5 +1,5 @@
#!/usr/bin/env python
-# -*-mode: python; coding: UTF-8 -*-
+# -*-mode: python; coding: utf-8 -*-
import os
import glob