Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|--- a/sys/dev/disk/sdhci/sdhci.c
|+++ b/sys/dev/disk/sdhci/sdhci.c
--------------------------
Patching file sys/dev/disk/sdhci/sdhci.c using Plan A...
Hunk #1 succeeded at 1329.
done