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/html/htmlcell.cpp

@@ -205,7 +205,7 @@ wxCursor wxHtmlCell::GetMouseCursor(wxHtmlWindowInterface *window) const
     //     wxHtmlCell::GetCursor() method simply returns wxNullCursor, so we
     //     know that GetCursor() was overridden iff it returns valid cursor.
     wxCursor cur = GetCursor();
-    if (cur.Ok())
+    if (cur.IsOk())
         return cur;
 #endif // WXWIN_COMPATIBILITY_2_6