staging/lustre/libcfs: Remove empty lines after/before braces

No need for an empty line after opening curvy brace and no need
for an empty line before the closing one too.
Remove them.

Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>