added missing impl

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76860 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/osx/iphone/private.h

@@ -167,6 +167,8 @@ public :
 
     virtual bool IsFullScreen() const;
 
+    virtual bool EnableFullScreenView(bool enable);
+    
     virtual bool ShowFullScreen(bool show, long style);
 
     virtual void RequestUserAttention(int flags);

src/osx/iphone/nonownedwnd.mm

@@ -284,6 +284,11 @@ bool wxNonOwnedWindowIPhoneImpl::IsFullScreen() const
     return m_macFullScreenData != NULL ;
 }
 
+bool wxNonOwnedWindowIPhoneImpl::EnableFullScreenView(bool WXUNUSED(enable))
+{
+    return true;
+}
+
 bool wxNonOwnedWindowIPhoneImpl::ShowFullScreen(bool show, long style)
 {
     return true;