Fix up crash in plslabelfunc support. Should now work with all java implementations.
Fix up crash in plslabelfunc support. Should now work with all java implementations.


svn path=/trunk/; revision=10305

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