Fixed global cursor setting on Mac, which fixes busy cursor and context help cursor

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@51438 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/cshelp.cpp

@@ -123,8 +123,8 @@ bool wxContextHelp::BeginContextHelp(wxWindow* win)
     wxCursor oldCursor = win->GetCursor();
     win->SetCursor(cursor);
 
-#ifdef __WXMSW__
-    //    wxSetCursor(cursor);
+#ifdef __WXMAC__
+    wxSetCursor(cursor);
 #endif
 
     m_status = false;
@@ -149,6 +149,10 @@ bool wxContextHelp::BeginContextHelp(wxWindow* win)
 
     win->SetCursor(oldCursor);
 
+#ifdef __WXMAC__
+    wxSetCursor(wxNullCursor);
+#endif
+
     if (m_status)
     {
         wxPoint pt;