silly script to fix line wraped patches

Originally committed as revision 4502 to svn://svn.ffmpeg.org/ffmpeg/trunk

unwrap-diff

@@ -0,0 +1,2 @@
+#!/bin/sh
+tr '\n' '\001' | sed 's/\x01\x01/\x01 \x01/g' | sed 's/\x01\([^-+ @]\)/ \1/g' | tr '\001' '\n'