When transforming one-line "/*...*/" comments by the "//" form, make sure there is no trailing blank characters in the result.
When transforming one-line "/*...*/" comments by the "//" form, make
sure there is no trailing blank characters in the result.

svn path=/trunk/; revision=11227

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