Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|--- ../dwm-5.8.2/dwm.c	2011-03-18 09:51:10.000000000 +0100
|+++ ./dwm.c	2011-03-18 09:52:15.000000000 +0100
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 706 (offset 6 lines).
Hunk #2 succeeded at 1927 (offset 14 lines).
done