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, 3 insertions, 3 deletions

diff --git a/vcl/unx/generic/dtrans/X11_selection.hxx b/vcl/unx/generic/dtrans/X11_selection.hxx
index d26852410867..4f0aa4e429c7 100644
--- a/vcl/unx/generic/dtrans/X11_selection.hxx
+++ b/vcl/unx/generic/dtrans/X11_selection.hxx
@@ -378,7 +378,7 @@ namespace x11 {
         bool                        m_bShutDown;
 
         SelectionManager();
-        ~SelectionManager();
+        virtual ~SelectionManager();
 
         SelectionAdaptor* getAdaptor( Atom selection );
         PixmapHolder* getPixmapHolder( Atom selection );
diff --git a/vcl/unx/generic/printer/printerinfomanager.cxx b/vcl/unx/generic/printer/printerinfomanager.cxx
index 868da22aaa80..a38627f7216f 100644
--- a/vcl/unx/generic/printer/printerinfomanager.cxx
+++ b/vcl/unx/generic/printer/printerinfomanager.cxx
@@ -68,7 +68,7 @@ namespace psp
 
         public:
         SystemQueueInfo();
-        ~SystemQueueInfo();
+        virtual ~SystemQueueInfo();
 
         bool hasChanged() const;
         OUString getCommand() const;
diff --git a/vcl/unx/kde/UnxCommandThread.hxx b/vcl/unx/kde/UnxCommandThread.hxx
index 7f963c4a8d22..413d52a97e96 100644
--- a/vcl/unx/kde/UnxCommandThread.hxx
+++ b/vcl/unx/kde/UnxCommandThread.hxx
@@ -97,7 +97,7 @@ protected:
 
 public:
     UnxFilePickerCommandThread( UnxFilePickerNotifyThread *pNotifyThread, int nReadFD );
-    ~UnxFilePickerCommandThread();
+    virtual ~UnxFilePickerCommandThread();
 
     YieldingCondition& SAL_CALL execCondition() { return m_aExecCondition; }
     bool SAL_CALL           result();