Schmappie Eldress 1c1eac07f3 Fix crash in autofly mod
From clean `~/.minetest` directory:
- Start waspsaliva
- Create a waypoint ".wah"
- Cheat menu -> autofly -> waypoints
- Click the new waypoint
- Click SHOW button

2021-08-19 22:24:46: ERROR[Main]: ModError: Runtime error from mod 'autoeat' in callback on_formspec_input(): *builtin*:common/vector.lua:67: attempt to index local 'pos2' (a nil value)
2021-08-19 22:24:46: ERROR[Main]: stack traceback:
2021-08-19 22:24:46: ERROR[Main]: 	*builtin*:common/vector.lua:67: in function 'direction'
2021-08-19 22:24:46: ERROR[Main]: 	*builtin*:client/wasplib.lua:503: in function 'aim'
2021-08-19 22:24:46: ERROR[Main]: 	autofly:init.lua:301: in function 'display_waypoint'
2021-08-19 22:24:46: ERROR[Main]: 	autofly:/wpforms.lua:102: in function <autofly:/wpforms.lua:77>
2021-08-19 22:24:46: ERROR[Main]: 	*builtin*:client/register.lua:26: in function <*builtin*:client/register.lua:14>
2021-08-19 22:24:46: ERROR[Main]: Check debug.txt for details.
2021-08-19 17:40:41 -05:00
..
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