Staging: rtl8821ae: rc.c: fix up function prototypes

These function parameters are incorrect for the callbacks.  Luckily the
functions don't actually do anything, so the code still "works" just
fine...

Cc: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>