It's only coding style fix not functinal change.  When if/else has only
one statement then the braces are not needed.
Signed-off-by: NChengguang Xu <cgxu519@gmx.com>
Reviewed-by: NNikolay Borisov <nborisov@suse.com>
Reviewed-by: NDavid Sterba <dsterba@suse.com>
Signed-off-by: NDavid Sterba <dsterba@suse.com>