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 875885b..780ff6f 100644
|--- a/config.def.h
|+++ b/config.def.h
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 failed at 21.
Hunk #2 succeeded at 34 with fuzz 2 (offset 3 lines).
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 --git a/dwm.c b/dwm.c
|index 1bbb4b3..ec39eef 100644
|--- a/dwm.c
|+++ b/dwm.c
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 36.
Hunk #2 succeeded at 85 (offset 1 line).
Hunk #3 succeeded at 99 (offset 1 line).
Hunk #4 succeeded at 148 with fuzz 2 (offset 1 line).
Hunk #5 succeeded at 168 (offset 1 line).
Hunk #6 succeeded at 177 (offset 1 line).
Hunk #7 succeeded at 244 (offset 1 line).
Hunk #8 succeeded at 255 (offset 1 line).
Hunk #9 succeeded at 279 with fuzz 1 (offset -1 lines).
Hunk #10 succeeded at 318 with fuzz 2 (offset 3 lines).
Hunk #11 succeeded at 668 with fuzz 1 (offset 5 lines).
Hunk #12 failed at 736.
Hunk #13 failed at 762.
Hunk #14 succeeded at 824 with fuzz 2 (offset -1 lines).
Hunk #15 failed at 1067.
Hunk #16 failed at 1412.
Hunk #17 failed at 1502.
Hunk #18 succeeded at 1624 with fuzz 2 (offset 58 lines).
Hunk #19 succeeded at 1676 (offset 58 lines).
Hunk #20 succeeded at 1786 with fuzz 1 (offset 12 lines).
Hunk #21 succeeded at 1848 (offset 58 lines).
Hunk #22 succeeded at 2148 with fuzz 2 (offset 18 lines).
5 out of 22 hunks failed
done