Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/dwm.c b/dwm.c
|index a96f33c..24b1eeb 100644
|--- a/dwm.c
|+++ b/dwm.c
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 163.
Hunk #2 succeeded at 238.
Hunk #3 succeeded at 486.
Hunk #4 succeeded at 694.
Hunk #5 succeeded at 816.
Hunk #6 succeeded at 1678.
done