ucb: GCC 4.6 doesn't do "final"

Change-Id: Id7ee86412288e96fda016acaeb965a53963408e0
(cherry picked from commit b4326c93)

ucb/source/ucp/image/ucpimage.cxx

@@ -34,7 +34,7 @@
 
 namespace {
 
-class Provider final:
+class Provider :
     private osl::Mutex,
     public cppu::WeakComponentImplHelper<
         css::lang::XServiceInfo, css::ucb::XContentProvider>