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/common/quantize.cpp

@@ -1546,7 +1546,7 @@ bool wxQuantize::Quantize(const wxImage& src, wxImage& dest,
 
     if (flags & wxQUANTIZE_FILL_DESTINATION_IMAGE)
     {
-        if (!dest.Ok())
+        if (!dest.IsOk())
             dest.Create(w, h);
 
         imgdt = dest.GetData();