Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -r 2bcd25cce4ab dwm.c
|--- a/dwm.c	Sun Sep 27 20:20:14 2009 +0100
|+++ b/dwm.c	Tue Oct 20 18:27:52 2009 -0300
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 120.
Hunk #2 succeeded at 253.
Hunk #3 succeeded at 1455.
Hunk #4 succeeded at 1473.
Hunk #5 succeeded at 1516.
Hunk #6 succeeded at 1647.
Hunk #7 succeeded at 1667.
Hunk #8 succeeded at 1954.
done