Fix build and tests on Windows.

indra/CMakeLists.txt

indra/cmake/00-Common.cmake

indra/cmake/APR.cmake

indra/cmake/Boost.cmake

indra/cmake/BuildPackagesInfo.cmake

indra/cmake/BuildVersion.cmake

indra/cmake/CMakeLists.txt

indra/cmake/CURL.cmake

indra/cmake/Copy3rdPartyLibs.cmake

indra/cmake/DiscordSDK.cmake

indra/cmake/EXPAT.cmake

indra/cmake/Epoxy.cmake

indra/cmake/FindFMODSTUDIO.cmake

indra/cmake/Hunspell.cmake

indra/cmake/LLAddBuildTest.cmake

indra/cmake/LLKDU.cmake

indra/cmake/LLPhysicsExtensions.cmake

indra/cmake/LLPrimitive.cmake

indra/cmake/LibVLCPlugin.cmake

indra/cmake/LibXML2.cmake