Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/dwm.c b/dwm.c
|index f1d86b2..8b04e0b 100644
|--- a/dwm.c
|+++ b/dwm.c
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 49.
Hunk #2 succeeded at 147 (offset -1 lines).
Hunk #3 succeeded at 185 (offset -1 lines).
Hunk #4 succeeded at 410 (offset -1 lines).
Hunk #5 succeeded at 1087 (offset -1 lines).
Hunk #6 succeeded at 1215 (offset -1 lines).
Hunk #7 succeeded at 1450 (offset -1 lines).
Hunk #8 succeeded at 1938 (offset -1 lines).
done