aries | p1: staging: zram: zram_drv.c: fixed error of trailing whitespace

Fixed by removing trailing whitespace

Signed-off-by: Kumar Gaurav <kumargauravgupta3@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Humberto Borba <humberos@gmail.com>

Change-Id: I023a54f539b9c21c67d263414bf1773cf0859da9