staging/qlge: add braces to conditional statement

This patch fixes "CHECK: braces {} should be used on all arms of this
statement" by checkpatch.pl.

Signed-off-by: Dorothea Ehrl <dorothea.ehrl@fau.de>
Co-developed-by: Vanessa Hack <vanessa.hack@fau.de>
Signed-off-by: Vanessa Hack <vanessa.hack@fau.de>
Link: https://lore.kernel.org/r/20191127123052.16424-3-dorothea.ehrl@fau.de


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