STAGING - REALTEK RTL8188EU DRIVERS: Fix Coding Style Error

Running the checkpatch.pl script on the file for which patch was created, the
following error was found to exist.
ERROR: space required after that ',' (ctx:VxV)

Fixed the above error which was found on line #721 by inserting a blank
space at the appropriate position.

Signed-off-by: Anant Thazhemadam <anant.thazhemadam@gmail.com>
Link: https://lore.kernel.org/r/20200725122041.5663-1-anant.thazhemadam@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>