Add missing include for std::max to fix VS16.4.0P2 compilation (#10282)

* Fix errors where "std::max" was not recognized while compiling with the latest Visual Studio (2019 16.4.0 Preview 2.0) due to a missing "#include" statement.

* Ran clang-format.

src/openrct2/core/MemoryStream.h

@@ -12,6 +12,8 @@
 #include "../common.h"
 #include "IStream.hpp"
 
+#include <algorithm>
+
 namespace MEMORY_ACCESS
 {
     constexpr uint8_t READ = 1 << 0;