Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/dwm.c b/dwm.c
|index e5efb6a..7b8d4a0 100644
|--- a/dwm.c
|+++ b/dwm.c
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 49.
Hunk #2 succeeded at 148.
Hunk #3 succeeded at 186.
Hunk #4 succeeded at 411.
Hunk #5 succeeded at 1089.
Hunk #6 succeeded at 1217.
Hunk #7 succeeded at 1452.
Hunk #8 succeeded at 1932.
Hmm...  Ignoring the trailing garbage.
done