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>
diff --git a/drivers/isdn/mISDN/tei.c b/drivers/isdn/mISDN/tei.c
index 56a76a0..6fbae42 100644
--- a/drivers/isdn/mISDN/tei.c
+++ b/drivers/isdn/mISDN/tei.c
@@ -945,7 +945,7 @@
 }
 
 void
-release_tei(struct layer2 *l2)
+TEIrelease(struct layer2 *l2)
 {
 	struct teimgr	*tm = l2->tm;
 	u_long		flags;