./lib/libxview/textsw/txt_filter.c from patch-ad into patch-al and patch-ao.
- Fix several compilation bugs on the sparc. The code had #ifdef(sparc)
checks when it was really wanting to make an operating system choice, not
a processor choice. Thanks to Ethan Bakshy, ethan@mail.enteract.com
for pointing out the problem (on port-sparc).