[Ohrrpgce] SVN: teeemcee/9530 Fix plankmenu.bas depending on headers for Game

[subversion at HamsterRepublic.com]

teeemcee
2017-10-01 07:43:28 -0700 (Sun, 01 Oct 2017)
230
Fix plankmenu.bas depending on headers for Game

It turns out this is a problem because if you put any classes
with virtual methods in a header which are only defined in a .bas
linked into Game, you'll get a linker error in Custom
---
U   wip/plankmenu.bas
U   wip/plankmenu.bi
U   wip/scriptcommands.bi