Fix compile error with MSVC: string is not a member of std

src/script/common/c_converter.h

@@ -12,6 +12,7 @@
 #pragma once
 
 #include <vector>
+#include <string>
 #include <string_view>
 
 #include "irrlichttypes_bloated.h"

src/script/common/c_internal.h

@@ -11,6 +11,7 @@
 
 #pragma once
 
+#include <string>
 #include <string_view>
 
 extern "C" {