ALSA: caiaq - Fix possible string-buffer overflow

Use strlcpy() to assure not to overflow the string array sizes by
too long USB device name string.

Reported-by: Rafa <rafa@mwrinfosecurity.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/usb/caiaq/midi.c b/sound/usb/caiaq/midi.c
index 2f218c7..a1a4708 100644
--- a/sound/usb/caiaq/midi.c
+++ b/sound/usb/caiaq/midi.c
@@ -136,7 +136,7 @@
 	if (ret < 0)
 		return ret;
 
-	strcpy(rmidi->name, device->product_name);
+	strlcpy(rmidi->name, device->product_name, sizeof(rmidi->name));
 
 	rmidi->info_flags = SNDRV_RAWMIDI_INFO_DUPLEX;
 	rmidi->private_data = device;