[vcpkg] Fix toolsrc CMake build error
MODIFY
src/vcpkg/base/files.cpp
src/vcpkg/base/files.cpp
@@ -717,9 +717,9 @@ namespace vcpkg::Files
virtual fs::path absolute(const fs::path& path, std::error_code& ec) const override
{
-#if USE_STD_FILESYSTEM
+#if VCPKG_USE_STD_FILESYSTEM
return fs::stdfs::absolute(path, ec);
-#else // ^^^ USE_STD_FILESYSTEM / !USE_STD_FILESYSTEM vvv
+#else // ^^^ VCPKG_USE_STD_FILESYSTEM / !VCPKG_USE_STD_FILESYSTEM vvv
#if _WIN32
// absolute was called system_complete in experimental filesystem
return fs::stdfs::system_complete(path, ec);

[vcpkg] Fix toolsrc CMake build error (#10973)