document.h: move inclusion of template meta functions

In order to activate the suppression of "-Weffc++" warnings in the
template meta function classes (non-virtual destructor), move the
inclusion of the meta-function header `internal/meta.h` after the
suppression pragma.

include/rapidjson/document.h

@@ -5,11 +5,6 @@
 #include "internal/strfunc.h"
 #include <new>		// placement new
 
-#ifndef RAPIDJSON_NOMEMBERITERATORCLASS
-#include "internal/meta.h"
-#include <iterator> // std::iterator, std::random_access_iterator_tag
-#endif
-
 #ifdef _MSC_VER
 #pragma warning(push)
 #pragma warning(disable : 4127) // conditional expression is constant
@@ -20,6 +15,11 @@
 #pragma GCC diagnostic ignored "-Weffc++"
 #endif
 
+#ifndef RAPIDJSON_NOMEMBERITERATORCLASS
+#include "internal/meta.h"
+#include <iterator> // std::iterator, std::random_access_iterator_tag
+#endif
+
 namespace rapidjson {
 
 // Forward declaration.