rtlwifi: Fix firmware upload errors

When the source code from Realtek was prepared for kernel inclusion,
some routines were refactored to reduce the level of indentation. This
patch repairs errors introduced in that process.

Signed-off-by: Chaoming Li <chaoming_li@realsil.com.cn>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>