Always switch back to original stream after a "save close".  Otherwise run into some interesting bugs in certain situations.
Always switch back to original stream after a "save close".  Otherwise
run into some interesting bugs in certain situations.

svn path=/trunk/; revision=3605

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