Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/dwm.c b/dwm.c
|index 0362114..be7e7a6 100644
|--- a/dwm.c
|+++ b/dwm.c
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 49.
Hunk #2 succeeded at 148.
Hunk #3 succeeded at 186.
Hunk #4 succeeded at 411 (offset 2 lines).
Hunk #5 succeeded at 1078 (offset -12 lines).
Hunk #6 succeeded at 1223 (offset -1 lines).
Hunk #7 succeeded at 1446 (offset -12 lines).
Hunk #8 succeeded at 1939 (offset 24 lines).
done