Replaced Ok() occurrences with IsOk() throughout trunk.

Additionally renamed wxOSX' private wxNativePrinterDC::Ok() function to IsOk().

Didn't deprecate the various Ok() functions: given the amount of changes already introduced in 3.0 a trivial one like this seems more suitable for after 3.0.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67681 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk1/fontdlg.cpp

@@ -148,7 +148,7 @@ bool wxFontDialog::DoCreate(wxWindow *parent)
         GTK_SIGNAL_FUNC(gtk_fontdialog_delete_callback), (gpointer)this );
 
     wxFont font = m_fontData.GetInitialFont();
-    if( font.Ok() )
+    if( font.IsOk() )
     {
         const wxNativeFontInfo *info = font.GetNativeFontInfo();