[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/isa/gus/gus_mem.c b/sound/isa/gus/gus_mem.c
index 5eb766d..2e23f2a 100644
--- a/sound/isa/gus/gus_mem.c
+++ b/sound/isa/gus/gus_mem.c
@@ -198,7 +198,7 @@
 		if (nblock != NULL) {
 			if (size != (int)nblock->size) {
 				/* TODO: remove in the future */
-				snd_printk("snd_gf1_mem_alloc - share: sizes differ\n");
+				snd_printk(KERN_ERR "snd_gf1_mem_alloc - share: sizes differ\n");
 				goto __std;
 			}
 			nblock->share++;