staging: r8188eu: Put '{" on the symbol declaration line

Open braces '{" should be placed on the line of symbol declaration as
per the coding-style guidelines. Improves readability and matches with
style used in rest of the code. Issue reported by checkpatch script.

Signed-off-by: Deepak R Varma <drv@mailo.com>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/375f742936493b562bd4dfba90eb75bd8ab84f8a.1666299151.git.drv@mailo.com


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