Put Fl_PostScript.cxx in list of files compiled in libfltk rather than including it in Fl_Printer.cxx.
VisualC project files still need to be changed accordingly.

git-svn-id: http://seriss.com/public/fltk/fltk/branches/branch-1.3@10291 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
Add Fl_PostScript.cxx to list of files compiled in libfltk for VisualC projects.

git-svn-id: http://seriss.com/public/fltk/fltk/branches/branch-1.3@10292 ea41ed52-d2ee-0310-a9c1-e6b18d33e121