Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git i/dwm.c w/dwm.c
|index 4465af1..96b0b26 100644
|--- i/dwm.c
|+++ w/dwm.c
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 88.
Hunk #2 succeeded at 1057.
Hunk #3 succeeded at 1719.
done