Made small change to the absolute path logic for assigning names. Now check the second character for ':' on MS-DOS systems (ie as in "C:\" or "D:\") and look for either '~' or '/' on linux to specify an absolute file-name path/name.
Made small change to the absolute path logic for assigning names. Now
check the second character for ':' on MS-DOS systems (ie as in "C:\" or
"D:\") and look for either '~' or '/' on linux to specify an absolute
file-name path/name.

svn path=/trunk/; revision=3929

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