Use rtl::OUStringHash.

comphelper/inc/comphelper/stl_types.hxx

@@ -90,12 +90,6 @@ struct UStringIEqual
     sal_Bool operator() (const ::rtl::OUString& lhs, const ::rtl::OUString& rhs) const { return lhs.equalsIgnoreAsciiCase( rhs );}
 };
 
-//------------------------------------------------------------------------
-struct UStringHash
-{
-    size_t operator() (const ::rtl::OUString& rStr) const {return rStr.hashCode();}
-};
-
 //------------------------------------------------------------------------
 class UStringMixEqual
 {

comphelper/source/property/genericpropertyset.cxx

@@ -69,7 +69,7 @@ namespace comphelper
     {
     private:
         GenericAnyMapImpl   maAnyMap;
-        ::cppu::OMultiTypeInterfaceContainerHelperVar< ::rtl::OUString,UStringHash,UStringEqual> m_aListener;
+        ::cppu::OMultiTypeInterfaceContainerHelperVar< ::rtl::OUString, ::rtl::OUStringHash,UStringEqual> m_aListener;
 
     protected:
         virtual void _setPropertyValues( const PropertyMapEntry** ppEntries, const  Any* pValues ) throw( UnknownPropertyException,  PropertyVetoException,  IllegalArgumentException,  WrappedTargetException );

toolkit/source/controls/geometrycontrolmodel.cxx

@@ -453,7 +453,7 @@
     //====================================================================
     //--------------------------------------------------------------------
 
-    typedef ::boost::unordered_map< ::rtl::OUString, sal_Int32, ::comphelper::UStringHash > HashMapString2Int;
+    typedef ::boost::unordered_map< ::rtl::OUString, sal_Int32, ::rtl::OUStringHash > HashMapString2Int;
     typedef ::std::vector< ::com::sun::star::uno::Sequence< ::com::sun::star::beans::Property > >   PropSeqArray;
     typedef ::std::vector< ::std::vector< sal_Int32 > > IntArrayArray;