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/dfb/window.cpp

@@ -323,7 +323,7 @@ bool wxWindowDFB::SetCursor(const wxCursor& cursor)
 
 #warning "implement this"
 #if 0
-    if ( m_cursor.Ok() )
+    if ( m_cursor.IsOk() )
         DFB_wmSetWindowCursor(m_wnd, *m_cursor.GetDFBCursor());
     else
         DFB_wmSetWindowCursor(m_wnd, *wxSTANDARD_CURSOR->GetDFBCursor());