staging: fix potential build error in slicoss driver

This hides under DEBUG_REGISTER_TRACE so probably
not visible to many people.

Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/slicoss/slicoss.c

@@ -275,7 +275,6 @@ static void slic_dbg_register_trace(struct adapter *adapter,
 			  card->reg_value[i], card->reg_valueh[i]);
 	}
 }
-}
 #endif
 
 static void slic_init_adapter(struct net_device *netdev,