[Ohrrpgce] SVN: teeemcee/10445 Replace learnmask() global with HeroState.learnmask()

[subversion at HamsterRepublic.com]

teeemcee
2018-07-04 07:51:11 -0700 (Wed, 04 Jul 2018)
178
Replace learnmask() global with HeroState.learnmask()

I believe that's the last thing that was left to move into HeroState! That
concludes another 8+ years code cleanup project!
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U   wip/bmod.rbas
U   wip/bmodsubs.bas
U   wip/bmodsubs.bi
U   wip/game_udts.bi
U   wip/gglobals.bi
U   wip/moresubs.rbas
U   wip/scriptcommands.bas