staging: gasket: Remove extra blank line

Remove extra blank line. Issue found by checkpatch.pl.

Signed-off-by: Maya Nakamura <m.maya.nakamura@gmail.com>
Reviewed-by: Vaishali Thakkar <vthakkar@vaishalithakkar.in>
Acked-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>