- Fix for retrieving 'Maze' preview genration
Note: We use now GCD instead of pthread for launch preview generation from engine side (it is now done with RunEngine, not direct call to GenLandPreview)
Note 2: For a moment LandPreview without Alpha used
[patterns]
**.h = native
**.c = native
**.cpp = native
**.lua = native
**.txt = native
**.pas = native
**.inc = native
**.hs = native