6b668123d6
* harbour/source/rtl/filesys.c
* do not respect _SET_PATH when hb_{file|fs}ExtOpen() is called
with create file attributes - Clipper compatibility.
* harbour/source/vm/set.c
* recognize files starting with "/dev/" as devices in *nixes
* check if given file name is a name of existing device (character,
block, fifo, socket) in *nix builds
* ignore _SET_DEFAULT and default extension in _SET_PRINTFILE,
_SET_ALTFILE and _SET_EXTRAFILE when given file name is device name.
In DOS/Windows/OS2 builds devices are recognized by name:
"PRN", "CON", "LPT[1-3]", "COM[1-9]"