sysconfdir to the example directory in INSTALL_MAKE_FLAGS instead of
patching out installation to $(sysconfdir) in various Makefiles.
Bump the PKGREVISION.
These patches are no-ops when pinfo is configured for "--with-ncurses".
The only reason I kept them in my own tree is because they may be useful
for "--with-vcurses" on NetBSD-1.5 or newer, but they shouldn't have
been commited.