Ensure that zlib.h and zconf.h are colocated in the zlib include dire…

…ctory

scripts/install-llvm-mingw.ps1

@@ -75,6 +75,7 @@ Write-Host "Building zlib source..."
 $ZLIB_BUILD_PATH = "$env:GITHUB_WORKSPACE\buildtools\zlib_build"
 & cmake.exe -B "${ZLIB_BUILD_PATH}" -S "${ZLIB_SOURCE_PATH}" -DCMAKE_C_COMPILER="${env:MINGW_PKG_PREFIX}-gcc" -DCMAKE_CXX_COMPILER="${env:MINGW_PKG_PREFIX}-g++" -DCMAKE_RC_COMPILER="${env:MINGW_PKG_PREFIX}-windres" -DCMAKE_ASM_MASM_COMPILER="${env:MINGW_ASM_MASM_COMPILER}" -GNinja
 & cmake.exe --build "${ZLIB_BUILD_PATH}" --target zlibstatic
+cp "${ZLIB_SOURCE_PATH}\zlib.h" "${ZLIB_BUILD_PATH}"
 
 # Add CMAKE_DEFINES
-echo "CMAKE_DEFINES=-DZLIB_LIBRARY=${ZLIB_BUILD_PATH}\libzlibstatic.a -DZLIB_INCLUDE_DIR=${ZLIB_SOURCE_PATH} -DCMAKE_C_COMPILER=${env:MINGW_PKG_PREFIX}-gcc -DCMAKE_CXX_COMPILER=${env:MINGW_PKG_PREFIX}-g++ -DCMAKE_RC_COMPILER=${env:MINGW_PKG_PREFIX}-windres -DCMAKE_ASM_MASM_COMPILER=${env:MINGW_ASM_MASM_COMPILER} -GNinja" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
+echo "CMAKE_DEFINES=-DZLIB_LIBRARY=${ZLIB_BUILD_PATH}\libzlibstatic.a -DZLIB_INCLUDE_DIR=${ZLIB_BUILD_PATH} -DCMAKE_C_COMPILER=${env:MINGW_PKG_PREFIX}-gcc -DCMAKE_CXX_COMPILER=${env:MINGW_PKG_PREFIX}-g++ -DCMAKE_RC_COMPILER=${env:MINGW_PKG_PREFIX}-windres -DCMAKE_ASM_MASM_COMPILER=${env:MINGW_ASM_MASM_COMPILER} -GNinja" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append