staging/qlge: remove braces in conditional statement

staging/qlge: remove braces in conditional statement

This patch fixes "WARNING: braces {} are not necessary for single
statement blocks" and "WARNING: braces {} are not necessary for any arm
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/20191127123052.16424-4-dorothea.ehrl@fau.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>