Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/dmenu.c b/dmenu.c
|index 027dddb..0b92f1f 100644
|--- a/dmenu.c
|+++ b/dmenu.c
--------------------------
Patching file dmenu.c using Plan A...
Hunk #1 succeeded at 328 with fuzz 2 (offset -6 lines).
Hunk #2 succeeded at 461 (offset -6 lines).
Hunk #3 succeeded at 522 (offset -6 lines).
done