Make SotStorage and SotStorageStream dtors public

Change-Id: I3ca0d308199bc4acf66a4c473d8b48561560d631
diff --git a/sot/inc/sot/storage.hxx b/sot/inc/sot/storage.hxx
index 925ae42..7f4a563 100644
--- a/sot/inc/sot/storage.hxx
+++ b/sot/inc/sot/storage.hxx
@@ -71,13 +71,13 @@ protected:
    virtual sal_uLong       PutData( const void* pData, sal_uLong nSize );
    virtual sal_uLong       SeekPos( sal_uLong nPos );
    virtual void        FlushData();
                        ~SotStorageStream();
public:
                        SotStorageStream( const String &,
                                     StreamMode = STREAM_STD_READWRITE,
                                     StorageMode = 0 );
                        SotStorageStream( BaseStorageStream *pStm );
                        SotStorageStream();
                        ~SotStorageStream();
                        SO2_DECL_BASIC_CLASS_DLL(SotStorageStream,SOTDATA())

    using SvStream::SyncSvStream;
@@ -128,9 +128,9 @@ friend class ::binfilter::SvStorage;
    long        m_nVersion;

protected:
                        ~SotStorage();
   void                 CreateStorage( sal_Bool bUCBStorage, StreamMode, StorageMode );
public:
                        ~SotStorage();
                        SotStorage( const String &,
                                   StreamMode = STREAM_STD_READWRITE,
                                   StorageMode = 0 );