Use OUStringHash here.

Change-Id: I37625fb421e5b20f299fccccbc9d5ac74c31de3c
diff --git a/comphelper/source/container/embeddedobjectcontainer.cxx b/comphelper/source/container/embeddedobjectcontainer.cxx
index 9286ec8..d614c1a 100644
--- a/comphelper/source/container/embeddedobjectcontainer.cxx
+++ b/comphelper/source/container/embeddedobjectcontainer.cxx
@@ -47,32 +47,9 @@

using namespace ::com::sun::star;

namespace comphelper
{
namespace comphelper {

struct hashObjectName_Impl
{
    size_t operator()(const OUString & Str) const
    {
        return (size_t)Str.hashCode();
    }
};

struct eqObjectName_Impl
{
    bool operator()(const OUString & Str1, const OUString & Str2) const
    {
        return ( Str1 == Str2 );
    }
};

typedef boost::unordered_map
<
    OUString,
    ::com::sun::star::uno::Reference < com::sun::star::embed::XEmbeddedObject >,
    hashObjectName_Impl,
    eqObjectName_Impl
>
typedef boost::unordered_map<OUString, uno::Reference <embed::XEmbeddedObject>, OUStringHash>
EmbeddedObjectContainerNameMap;

struct EmbedImpl