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/msw/clipbrd.cpp

@@ -214,7 +214,7 @@ bool wxSetClipboardData(wxDataFormat dataFormat,
             {
                 wxBitmap *bitmap = (wxBitmap *)data;
 
-                if ( bitmap && bitmap->Ok() )
+                if ( bitmap && bitmap->IsOk() )
                 {
                     wxDIB dib(*bitmap);
                     if ( dib.IsOk() )