Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/surf.c b/surf.c
|index 53dda18..38c15a4 100644
|--- a/surf.c
|+++ b/surf.c
--------------------------
Patching file surf.c using Plan A...
Hunk #1 succeeded at 13 with fuzz 1 (offset -4 lines).
Hunk #2 failed at 68.
Hunk #3 failed at 144.
Hunk #4 failed at 172.
Hunk #5 failed at 623.
No such line 907 in input file, ignoring
Hunk #6 failed at 950.
Hunk #7 failed at 1256.
6 out of 7 hunks failed
done