ALSA: hda - correct bracketing in spdif test in patch_sigmatel.c

Noticed by sparse:
sound/pci/hda/patch_sigmatel.c:1285:43: warning: dubious: !x & y

Signed-off-by: Harvey Harrison <[e-mail]>
Acked-by: Matthew Ranostay <[e-mail]>
Signed-off-by: Takashi Iwai <[e-mail]>

sound/pci/hda/patch_sigmatel.c

···
 			return err;
 		spec->multiout.share_spdif = 1;
 	}
-	if (spec->dig_in_nid && (!spec->gpio_dir & 0x01)) {
+	if (spec->dig_in_nid && !(spec->gpio_dir & 0x01)) {
 		err = snd_hda_create_spdif_in_ctls(codec, spec->dig_in_nid);
 		if (err < 0)
 			return err;