drivers: staging: rtl8192e: rtllib_rx.c: Fix blank lines before a close brace

Fixed checkpatch.pl issue 'Blank lines aren't necessary before a close
brace'

Signed-off-by: Tapan Prakash T <tapanprakasht@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>