ALSA: ctxfi: Fix typo in ctvmem.c

Correct spelling "virtural" to "virtual" in
sound/pci/ctxfi/ctvmem.c
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/ctxfi/ctvmem.c

@@ -36,7 +36,7 @@ get_vm_block(struct ct_vm *vm, unsigned int size)
 
 	size = CT_PAGE_ALIGN(size);
 	if (size > vm->size) {
-		printk(KERN_ERR "ctxfi: Fail! No sufficient device virtural "
+		printk(KERN_ERR "ctxfi: Fail! No sufficient device virtual "
 				  "memory space available!\n");
 		return NULL;
 	}