avoid compiler warning over polymorphic destructor

diff --git a/src/dialogs/checkdlg.h b/src/dialogs/checkdlg.h
index 3f39295..5297bc7 100644 (file)
--- a/src/dialogs/checkdlg.h
+++ b/src/dialogs/checkdlg.h
@@ -26,6 +26,8 @@ class MCheckItem
                MCheckItem(QString key=QString(),bool isset=false,QString label=QString())
                {m_key=key;m_set=isset;if(label!="")m_label=label;else m_label=m_key;}
                
+               virtual ~MCheckItem(){}
+               
                /**overwrite this to return a label that can be displayed*/
                virtual QString label()const{return m_label;}
                /**overwrite this to return a key string that identifies the item (default implementation returns the label)*/