Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -up ../dwm-5.8.1-0/config.def.h ./config.def.h
|--- ../dwm-5.8.1-0/config.def.h	2010-05-29 13:49:12.000000000 +0200
|+++ ./config.def.h	2010-05-31 15:18:43.686311000 +0200
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 25.
Hunk #2 succeeded at 86.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -up ../dwm-5.8.1-0/dwm.c ./dwm.c
|--- ../dwm-5.8.1-0/dwm.c	2010-05-29 13:49:12.000000000 +0200
|+++ ./dwm.c	2010-05-31 16:02:14.553316000 +0200
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 120.
Hunk #2 succeeded at 173.
Hunk #3 succeeded at 183.
Hunk #4 succeeded at 191.
Hunk #5 succeeded at 258.
Hunk #6 succeeded at 627.
Hunk #7 succeeded at 1188.
Hunk #8 succeeded at 1411.
Hunk #9 succeeded at 1490.
Hunk #10 succeeded at 1508.
Hunk #11 succeeded at 1552.
Hunk #12 succeeded at 1581.
Hunk #13 succeeded at 1658.
Hunk #14 succeeded at 1766.
Hunk #15 succeeded at 2057.
done