mISDN: un-export symbol 'plx_lock'

'plx_lock' is only used within hfcmulti.c.

Fix this warning:

drivers/isdn/hardware/mISDN/hfcmulti.c:176:1: warning: symbol 'plx_lock' shadows an earlier one drivers/isdn/hardware/mISDN/hfcmulti.c:175:19: originally declared here

---
 drivers/isdn/hardware/mISDN/hfcmulti.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

index 599d832..970201d 100644
@@ -173,7 +173,6 @@ static int interrupt_registered;
 static struct hfc_multi *syncmaster;
 static int plxsd_master; /* if we have a master card (yet) */
 static spinlock_t plx_lock; /* may not acquire other lock inside */
-EXPORT_SYMBOL(plx_lock);
 
 #define	TYP_E1		1
 #define	TYP_4S		4

1.5.6.3

From: Hannes Eder <[email protected]>
Date: Thu, 11 Dec 2008 22:36:00 +0100

Applied.