Explicitly mark overriding destructors as "virtual"

It appears that the C++ standard allows overriding destructors to be marked
"override," but at least some MSVC versions complain about it, so at least make
sure such destructors are explicitly marked "virtual."

Change-Id: I0e1cafa7584fd16ebdce61f569eae2373a71b0a1

3 files changed, 7 insertions, 7 deletions

diff --git a/include/sot/filelist.hxx b/include/sot/filelist.hxx
index 847f498be097..e3b063e8860f 100644
--- a/include/sot/filelist.hxx
+++ b/include/sot/filelist.hxx
@@ -45,7 +45,7 @@ public:
 
     TYPEINFO_OVERRIDE();
     FileList() {};
-    ~FileList();
+    virtual ~FileList();
 
     // Zuweisungsoperator
     FileList&           operator=( const FileList& rFileList );
diff --git a/include/sot/stg.hxx b/include/sot/stg.hxx
index 2805d2acdda2..b42ed4c7f590 100644
--- a/include/sot/stg.hxx
+++ b/include/sot/stg.hxx
@@ -154,7 +154,7 @@ class StorageStream : public BaseStorageStream, public OLEStorageBase
 //friend class Storage;
     sal_uLong           nPos;                             // current position
 protected:
-                        ~StorageStream();
+                        virtual ~StorageStream();
 public:
                         TYPEINFO_OVERRIDE();
                         StorageStream( StgIo*, StgDirEntry*, StreamMode );
@@ -183,7 +183,7 @@ class SOT_DLLPUBLIC Storage : public BaseStorage, public OLEStorageBase
     void                        Init( bool bCreate );
                                 Storage( StgIo*, StgDirEntry*, StreamMode );
 protected:
-                                ~Storage();
+                                virtual ~Storage();
 public:
                                 TYPEINFO_OVERRIDE();
                                 Storage( const OUString &, StreamMode = STREAM_STD_READWRITE, bool bDirect = true );
@@ -247,7 +247,7 @@ friend class UCBStorage;
     UCBStorageStream_Impl*
             pImp;
 protected:
-                                ~UCBStorageStream();
+                                virtual ~UCBStorageStream();
 public:
                                 TYPEINFO_OVERRIDE();
                                 UCBStorageStream( const OUString& rName, StreamMode nMode, bool bDirect, const OString* pKey, bool bRepair, ::com::sun::star::uno::Reference< ::com::sun::star::ucb::XProgressHandler > xProgress );
@@ -284,7 +284,7 @@ class SOT_DLLPUBLIC UCBStorage : public BaseStorage
     UCBStorage_Impl*            pImp;
 
 protected:
-                                ~UCBStorage();
+                                virtual ~UCBStorage();
 public:
     static bool                 IsStorageFile( SvStream* );
     static bool                 IsDiskSpannedFile( SvStream* );
diff --git a/include/sot/storage.hxx b/include/sot/storage.hxx
index b0c5b4670733..a82efb1307ae 100644
--- a/include/sot/storage.hxx
+++ b/include/sot/storage.hxx
@@ -58,7 +58,7 @@ protected:
     virtual sal_uLong       PutData( const void* pData, sal_uLong nSize ) SAL_OVERRIDE;
     virtual sal_uInt64      SeekPos(sal_uInt64 nPos) SAL_OVERRIDE;
     virtual void        FlushData() SAL_OVERRIDE;
-                        ~SotStorageStream();
+                        virtual ~SotStorageStream();
 public:
                         SotStorageStream( const OUString &,
                                           StreamMode = STREAM_STD_READWRITE,
@@ -114,7 +114,7 @@ friend class SvStorage;
     long            m_nVersion;
 
 protected:
-                        ~SotStorage();
+                        virtual ~SotStorage();
    void                 CreateStorage( bool bUCBStorage, StreamMode, StorageMode );
 public:
                         SotStorage( const OUString &,