Fix compile error in Visual Studio 2017 15.1
MODIFY
src/vcpkg/install.cpp
src/vcpkg/install.cpp
@@ -204,7 +204,7 @@ namespace vcpkg::Install
{
// The VS2015 standard library requires comparison operators of T and U
// to also support comparison of T and T, and of U and U, due to debug checks.
-#if _MSC_VER < 1910
+#if _MSC_VER <= 1910
bool operator()(const std::string& lhs, const std::string& rhs) { return lhs < rhs; }
bool operator()(const file_pack& lhs, const file_pack& rhs) { return lhs.first < rhs.first; }
#endif

Fix compile error in Visual Studio 2017 15.1