Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/drw.c b/drw.c
|index ced7d37..95da860 100644
|--- a/drw.c
|+++ b/drw.c
--------------------------
Patching file drw.c using Plan A...
Hunk #1 succeeded at 285.
Hunk #2 succeeded at 339.
done