remove msvc class or struct prefix in util::demangle

libopenage/util/compiler.cpp

@@ -27,7 +27,7 @@ std::string demangle(const char *symbol) {
 	// TODO: demangle names for MSVC; Possibly using UnDecorateSymbolName
 	// https://msdn.microsoft.com/en-us/library/windows/desktop/ms681400(v=vs.85).aspx
 	// Could it be that MSVC's typeid(T).name() already returns a demangled name? It seems that .raw_name() returns the mangled name
-	return symbol;
+	return strstr(symbol, " ") + 1;
 #else
 	int status;
 	char *buf = abi::__cxa_demangle(symbol, nullptr, nullptr, &status);