[Ohrrpgce] SVN: teeemcee/10388 If a save can't be loaded, throw a fatal error instead of silently conti

[subversion at HamsterRepublic.com]

teeemcee
2018-05-14 17:30:55 -0700 (Mon, 14 May 2018)
225
If a save can't be loaded, throw a fatal error instead of silently continuing

It's unrecoverable because the game state has already been reset.
Silently continuing caused some very strange effects due to not having any heros
---
U   wip/game.bas
U   wip/game_udts.bi
U   wip/savegame.rbas