Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --color -up a/config.def.h b/config.def.h
|--- a/config.def.h
|+++ b/config.def.h
--------------------------
Patching file config.def.h using Plan A...
Reversed (or previously applied) patch detected!  Assuming -R.Hunk #1 succeeded at 1.
No such line 13 in input file, ignoring
Hunk #2 failed at 13.
1 out of 2 hunks failed
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --color -up a/slock.c b/slock.c
|--- a/slock.c
|+++ b/slock.c
--------------------------
Patching file slock.c using Plan A...
Hunk #1 succeeded at 125 (offset -4 lines).
Hunk #2 failed at 408.
Hunk #3 failed at 426.
2 out of 3 hunks failed
done