- fix a render glitch with Back to Saturn X MAP06: Do not flood missing upper and lower textures with the backsector's flat if that backsector is malformed (i.e. has no area.)
- fixed: When applying Boom's Transfer_Heights effect to a sector, gl_FakeFlat needs to remove all portals from the original sector planes that are being replaced in the sector copy.
Fix a PrintMidiDevice call
- Fixed: InInventory didn't work quite right with multiple items.
- Added IfHealth based on Blue Shadow's patch.
Fix use of ssize_t with MSVC
Merge remote-tracking branch 'zdoom/master' into openal
Merge branch 'openal' into glal
Merge remote-tracking branch 'gzdoom/master' into glal