staging: slicoss: Fix void function return statements style warning

This fixes "void function return statements are not generally useful"
checkpatch.pl warning slicoss.c

Signed-off-by: Dilek Uzulmez <dilekuzulmez@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/slicoss/slicoss.c

@@ -1982,7 +1982,6 @@ static void slic_rcv_handle_error(struct adapter *adapter,
 				adapter->if_events.uflow802++;
 		}
 	}
-	return;
 }
 
 #define TCP_OFFLOAD_FRAME_PUSHFLAG  0x10000000