Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/config.def.h b/config.def.h
|index a9c65a9..b709419 100644
|--- a/config.def.h
|+++ b/config.def.h
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 failed at 162.
1 out of 1 hunks failed
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/x.c b/x.c
|index 67dcfdc..45af5f2 100644
|--- a/x.c
|+++ b/x.c
--------------------------
Patching file x.c using Plan A...
Hunk #1 succeeded at 254 with fuzz 2 (offset -1 lines).
done