staging: et131x: Fix brace coding style issues.

This revised patch fixes 2 brace coding style issues reported by checkpatch.pl
One warning line > 80 chars not resolved on maintainers advice.

Signed-off-by: Michael Tate <michael.tate@wanadoo.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>