Sticking bathroom door

[BobW]

For some time now our bathroom door has been sticking at the bottom. Thinking I night half to plane the door down, I checked and found that the wall between the bath and laundry was not connected to the floor. The hole wall moved back and forth 1/2 inch. The fix will be a small block of wood screwed to the floor and the wall in the washer room. Great Amish craftsmanship attack again.