staging: rtl8723bs: Fix newlines in rtw_wx_set_auth().

There are a lot of extra newlines in this function that waste space.
Remove those newlines, but add one newline before the return statement.

Signed-off-by: Quytelda Kahja <quytelda@tamalin.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>