Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -up dwm-6.0-clean/config.def.h dwm-6.0-patched/config.def.h
|--- dwm-6.0-clean/config.def.h	2011-12-19 16:02:46.000000000 +0100
|+++ dwm-6.0-patched/config.def.h	2014-02-28 22:21:05.254046315 +0100
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 37.
Hunk #2 succeeded at 50.
Hunk #3 succeeded at 83.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -up dwm-6.0-clean/dwm.c dwm-6.0-patched/dwm.c
|--- dwm-6.0-clean/dwm.c	2011-12-19 16:02:46.000000000 +0100
|+++ dwm-6.0-patched/dwm.c	2014-02-28 22:19:58.466047686 +0100
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 113.
Hunk #2 succeeded at 271.
Hunk #3 succeeded at 1089.
done