staging: rtl8712: Fix Alignment of open parenthesis

Fix alignment should match open parenthesis. Issue found by checkpatch.
Signed-off-by: Cristiane Naves <cristianenavescardoso09@gmail.com>
Link: https://lore.kernel.org/r/2a6e8fbef7b9e72d95b7c4a7cbcce08a9e231d07.1572276208.git.cristianenavescardoso09@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>