[ALSA] Remove unneeded read/write_size fields in proc text ops

Remove unneeded read/write_size fields in proc text ops.
snd_info_set_text_ops() is fixed, too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c
index e2dbc21..4f01ef1 100644
--- a/sound/pci/ali5451/ali5451.c
+++ b/sound/pci/ali5451/ali5451.c
@@ -2173,7 +2173,7 @@
 {
 	struct snd_info_entry *entry;
 	if(!snd_card_proc_new(codec->card, "ali5451", &entry))
-		snd_info_set_text_ops(entry, codec, 1024, snd_ali_proc_read);
+		snd_info_set_text_ops(entry, codec, snd_ali_proc_read);
 }
 
 static int __devinit snd_ali_resources(struct snd_ali *codec)