Log Message:
pstoedit: update to 3.78

New or changed in 3.78:
* Bug fix. pstoedit did not find older versions of GhostScript under Windows.
* Support for mawk in creation of pstoedit.ph header file. mawk is often used on
  build servers in place of gawk.
New or changed in 3.77:
* Some small update to comply with some Debian requirements.
New or changed in 3.76:
* Added experimental support for filled objects in DXF output using the HATCH
  element of DXF.
* Fixed a problem when running pstoedit with output to standard output instead of
  a file.
* Adapted to new versioning scheme of GhostScript.
* Additional backend for pcb-rnd contributed by Erich Heinzle.
* Some additional options in WEMF driver.
* Better handling of bounding box in EMF output. Contributed by Samuel Thibault.
* Better handling of metric option in fig driver.