Taken from https://github.com/microsoft/ChakraCore/tree/master/pal/inc/rt * Move _Check_return_opt_ and _Check_return_wat_ to crtdefs.h * Update sal.h from https://github.com/microsoft/ChakraCore/blob/master/pal/inc/rt/sal.h * Import no_sal2.h from MS and remove the one in NDK * Import specstrings.h from MS * Import specstrings_strict.h from MS * Add specstrings_undef.h (based on defines in specstrings_strict.h) * Remove __REACTOS__ hacks from cdfs