isdn: l3dss1: Fix set-but-unused variables.

The variable 'cause' is set but unused in dss1up().  Just
kill it off.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2011-04-17 16:42:15 -07:00
commit cf117eafa0