fix win build

src/external.cmake

@@ -376,6 +376,10 @@ if(ALLOW_BUNDLED_U3D)
         UNSET( CMAKE_SHARED_MODULE_PREFIX )
         UNSET( CMAKE_STATIC_LIBRARY_PREFIX )
         UNSET( CMAKE_IMPORT_LIBRARY_PREFIX )
+        if(MSVC)
+            add_definitions(-D_CRT_SECURE_NO_DEPRECATE)
+            add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE)
+        endif(MSVC)
     ENDIF(WIN32)
 
     IF(UNIX AND NOT APPLE)

src/external/u3d/IDTF/Converter.cpp

@@ -83,22 +83,19 @@ bool IDTFToU3d(
 	int argc = 11;
 
 	IFXRESULT result = IFX_OK;
-#ifdef __MINGW32__
-	wchar_t **argw = NULL;
-	int argc=0;
-#endif
-#ifndef WIN32
+//#ifdef __MINGW32__
+//	wchar_t **argw = NULL;
+//	int argc=0;
+//#endif
+//#ifndef WIN32
 	wchar_t **argw = NULL;
 	int i;
-#endif
+//#endif
 
 	result = IFXSetDefaultLocale();
 	IFXTRACE_GENERIC(L"[Converter] IFXSetDefaultLocale %i\n", result);
 
 	if( IFXSUCCESS(result) ) {
-#ifdef __MINGW32__
-		argw = CommandLineToArgvW(GetCommandLineW(), &argc);
-#endif
 #ifndef WIN32
 		argw = (wchar_t**)malloc(argc*sizeof(wchar_t*));
 		if (argw == NULL)