Fix namespace issue with Hisax

you can pull this  git://git./linux/kernel/git/kkeil/ISDN-2.6 master

rename release_tei() to TEIrelease() because release_tei() was
already exported bei the old HiSax driver.
Signed-off-by: Karsten Keil <kkeil@suse.de>

drivers/isdn/mISDN/layer2.c

@@ -2030,7 +2030,7 @@ release_l2(struct layer2 *l2)
 	skb_queue_purge(&l2->down_queue);
 	ReleaseWin(l2);
 	if (test_bit(FLG_LAPD, &l2->flag)) {
-		release_tei(l2);
+		TEIrelease(l2);
 		if (l2->ch.st)
 			l2->ch.st->dev->D.ctrl(&l2->ch.st->dev->D,
 			    CLOSE_CHANNEL, NULL);

drivers/isdn/mISDN/layer2.h

@@ -96,7 +96,7 @@ extern int		tei_l2(struct layer2 *, u_int, u_long arg);
 
 /* from tei.c */
 extern int 		l2_tei(struct layer2 *, u_int, u_long arg);
-extern void 		release_tei(struct layer2 *);
+extern void 		TEIrelease(struct layer2 *);
 extern int 		TEIInit(u_int *);
 extern void 		TEIFree(void);
 

drivers/isdn/mISDN/tei.c

@@ -945,7 +945,7 @@ l2_tei(struct layer2 *l2, u_int cmd, u_long arg)
 }
 
 void
-release_tei(struct layer2 *l2)
+TEIrelease(struct layer2 *l2)
 {
 	struct teimgr	*tm = l2->tm;
 	u_long		flags;