mISDN cleanup user interface

The channelmap should have the same size on 32 and 64 bit systems
and should not depend on endianess.
Thanks to David Woodhouse for spotting this.

Signed-off-by: Karsten Keil <kkeil@suse.de>

drivers/isdn/mISDN/socket.c

@@ -379,7 +379,7 @@ data_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 			di.Bprotocols = dev->Bprotocols | get_all_Bprotocols();
 			di.protocol = dev->D.protocol;
 			memcpy(di.channelmap, dev->channelmap,
-				MISDN_CHMAP_SIZE * 4);
+				sizeof(di.channelmap));
 			di.nrbchan = dev->nrbchan;
 			strcpy(di.name, dev->name);
 			if (copy_to_user((void __user *)arg, &di, sizeof(di)))
@@ -637,7 +637,7 @@ base_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 			di.Bprotocols = dev->Bprotocols | get_all_Bprotocols();
 			di.protocol = dev->D.protocol;
 			memcpy(di.channelmap, dev->channelmap,
-				MISDN_CHMAP_SIZE * 4);
+				sizeof(di.channelmap));
 			di.nrbchan = dev->nrbchan;
 			strcpy(di.name, dev->name);
 			if (copy_to_user((void __user *)arg, &di, sizeof(di)))