Stupid me!

Instead of debugging all this with debug prinf()s etc, we could also have looked
at the BACKTRACE that gcc gives.


    /home/matthias/vcs/git/freedroid/src/lua.c:1815
    /home/matthias/vcs/git/freedroid/src/mission.c:180
    /home/matthias/vcs/git/freedroid/src/lua.c:479
    /home/matthias/vcs/git/freedroid/src/lua.c:1786
    /home/matthias/vcs/git/freedroid/src/chat.c:829
    /home/matthias/vcs/git/freedroid/src/influ.c:1556
    /home/matthias/vcs/git/freedroid/src/influ.c:1647
    /home/matthias/vcs/git/freedroid/src/main.c:106
    /home/matthias/vcs/git/freedroid/src/main.c:182

=>      /home/matthias/vcs/git/freedroid/src/mission.c:180

is 

179 	if (Me.AllMissions[MissNum].completion_lua_code)
180		run_lua(LUA_DIALOG, Me.AllMissions[MissNum].completion_lua_code);
181
182	Me.quest_browser_changed = 1;

:D