staging: r8188eu: remove spaces before ',' and ')'

staging: r8188eu: remove spaces before ',' and ')'

Remove spaces to clear checkpatch errors.

ERROR: space prohibited before that ',' (ctx:WxW)
ERROR: space prohibited before that close parenthesis ')'

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20210730204153.27270-1-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>