Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/dmenu.c b/dmenu.c
|index d95e6c6..75a79d0 100644
|--- a/dmenu.c
|+++ b/dmenu.c
--------------------------
Patching file dmenu.c using Plan A...
Hunk #1 succeeded at 518.
Hunk #2 succeeded at 692.
Hunk #3 succeeded at 792.
done