WaE: gcc 4.6.0 various warnings

dbaccess/source/core/api/FilteredContainer.cxx

@@ -311,12 +311,11 @@ sal_Int32 createWildCardVector(Sequence< ::rtl::OUString >& _rTableFilter, ::std
     {
         // build sorted versions of the filter sequences, so the visibility decision is faster
         Sequence< ::rtl::OUString > aTableFilter(_rTableFilter);
-        sal_Int32   nTableFilterLen = aTableFilter.getLength();
 
         // for wildcard search : remove all table filters which are a wildcard expression and build a WildCard
         // for them
         ::std::vector< WildCard > aWCSearch;
-        nTableFilterLen = createWildCardVector(aTableFilter,aWCSearch);
+        createWildCardVector(aTableFilter,aWCSearch);
 
         try
         {

dbaccess/source/core/dataaccess/documentdefinition.hxx

@@ -374,7 +374,7 @@ private:
             ODocumentDefinition&            m_rDocumentDefinition;
     const   ::com::sun::star::uno::Any      m_aOldValue;
     const   ::com::sun::star::uno::Any      m_aNewValue;
-    mutable ::osl::ResettableMutexGuard&    m_rClearForNotify;
+    ::osl::ResettableMutexGuard&    m_rClearForNotify;
 
     void    impl_fireEvent_throw( const sal_Bool i_bVetoable );
 };