Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git drw.c drw.c
|index 4cdbcbe..7a5bc0d 100644
|--- drw.c
|+++ drw.c
--------------------------
Patching file drw.c using Plan A...
Hunk #1 succeeded at 133.
Hunk #2 succeeded at 338.
done