Add Missing XUI C++ Files

Minecraft.Client/Common/XUI/XUI_BasePlayer.h

@@ -0,0 +1,13 @@
+#pragma once
+
+class CXuiSceneBasePlayer : public CXuiSceneImpl
+{
+
+protected:
+	HRESULT OnInit( XUIMessageInit* pInitData, BOOL& bHandled );
+
+public:
+	// Define the class. The class name must match the ClassOverride property
+	// set for the scene in the UI Authoring tool.
+	XUI_IMPLEMENT_CLASS( CXuiSceneBasePlayer, L"CXuiSceneBasePlayer", XUI_CLASS_SCENE )
+};