Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -Naur a/config.def.h b/config.def.h
|--- a/config.def.h	Sun Jan  6 22:18:53 2019
|+++ b/config.def.h	Sun Jan  6 22:20:36 2019
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 failed at 5.
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 -Naur a/dwm.c b/dwm.c
|--- a/dwm.c	Sun Jan  6 22:18:53 2019
|+++ b/dwm.c	Sun Jan  6 22:25:03 2019
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 1666 (offset -7 lines).
Hunk #2 succeeded at 1674 (offset -7 lines).
done