ClimbHome: Change misleading Seed assignment to nil value This was "Seed = ClimbHome", but ClimbHome was a nil value. This code still worked as the engine interpreted the nil value as empty string. But it can be very misleading. This changeset makes the Seed assignment more explicit by assigning the empty string directly. The compability has been tested.

en=You are far from home and the water is rising. Climb as fast as you can.
de=Du bist fern von Zuhause und das Wasser steigt. Klettere so schnell du kannst.
pl=Jesteś daleko od domu_c a woda się podwyższa. Wspinaj się najszybciej_c jak potrafisz.