[Ohrrpgce] SVN: teeemcee/10562 Make Frame drawing functions threadsafe by storing cliprect in TLS

[subversion at HamsterRepublic.com]

teeemcee
2018-08-30 22:58:22 -0700 (Thu, 30 Aug 2018)
150
Make Frame drawing functions threadsafe by storing cliprect in TLS

Replaced the cliprect global with get_cliprect(). Also removed setclipframe again.
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U   wip/allmodex.bas
U   wip/allmodex.bi
U   wip/common.rbas
U   wip/menus.bas
U   wip/slices.bas