support wxWindowDisabler on osx_cocoa

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67129 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/utilscmn.cpp

@@ -1567,6 +1567,12 @@ void wxEnableTopLevelWindows(bool enable)
         node->GetData()->Enable(enable);
 }
 
+#if defined(__WXOSX__) && wxOSX_USE_COCOA
+
+// defined in evtloop.mm
+
+#else
+
 wxWindowDisabler::wxWindowDisabler(bool disable)
 {
     m_disabled = disable;
@@ -1629,6 +1635,8 @@ wxWindowDisabler::~wxWindowDisabler()
     delete m_winDisabled;
 }
 
+#endif
+
 // Yield to other apps/messages and disable user input to all windows except
 // the given one
 bool wxSafeYield(wxWindow *win, bool onlyIfNeeded)