Added #ifdef to allow compilation without itcl. Set value of ndev on call to plgFileDevs (bounds check).
Added #ifdef to allow compilation without itcl.
Set value of ndev on call to plgFileDevs (bounds check).

svn path=/trunk/; revision=1919

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