we still need to include dtoolbase.h first to ensure that _WIN32_WINNT is defined before we include windows.h

direct/src/plugin_standalone/p3dEmbed.h

@@ -15,6 +15,7 @@
 #ifndef P3DEMBED_H
 #define P3DEMBED_H
 
+#include "dtoolbase.h"
 #ifdef _WIN32
 #include <winsock2.h>
 #endif

direct/src/plugin_standalone/panda3d.h

@@ -15,11 +15,11 @@
 #ifndef PANDA3D_H
 #define PANDA3D_H
 
+#include "dtoolbase.h"
 #ifdef _WIN32
 #include <winsock2.h>
 #endif
 
-
 #include "panda3dBase.h"
 #include "p3d_plugin.h"
 #include "httpChannel.h"

direct/src/plugin_standalone/panda3dBase.cxx

@@ -12,6 +12,7 @@
 //
 ////////////////////////////////////////////////////////////////////
 
+#include "dtoolbase.h"
 #ifdef _WIN32
 #include <winsock2.h>
 #include <windows.h>