Classes which have a virtual method defined need also an virtual deconstructor. Details are found here: http://www.parashift.com/c++-faq-lite/virtual-functions.html#faq-20.7
Classes which have a virtual method defined need also an virtual deconstructor. Details are found here: http://www.parashift.com/c++-faq-lite/virtual-functions.html#faq-20.7

svn path=/trunk/; revision=8477

FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot