[ALSA] Add missing KERN_* suffix to printk

Add missing KERN_* suffix to printk.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/emu10k1/emu10k1.c b/sound/pci/emu10k1/emu10k1.c
index b0e00f0..dd1ea9d 100644
--- a/sound/pci/emu10k1/emu10k1.c
+++ b/sound/pci/emu10k1/emu10k1.c
@@ -188,7 +188,7 @@
 	if (snd_seq_device_new(card, 1, SNDRV_SEQ_DEV_ID_EMU10K1_SYNTH,
 			       sizeof(snd_emu10k1_synth_arg_t), &wave) < 0 ||
 	    wave == NULL) {
-		snd_printk("can't initialize Emu10k1 wavetable synth\n");
+		snd_printk(KERN_WARNING "can't initialize Emu10k1 wavetable synth\n");
 	} else {
 		snd_emu10k1_synth_arg_t *arg;
 		arg = SNDRV_SEQ_DEVICE_ARGPTR(wave);