MMC: Fix a compiler warning and a comment typo

gcc was whining about a format string not matching the type of
the argument.  While fixing that, I noticed and fixed a typo in a
nearby comment.

Change-Id: I1998b0aa7718c5aed698ad830ef6085a767f4b18
Signed-off-by: Scott Anderson <saa@google.com>
1 file changed