+ change PKGNAME to "fondu" - the old name, "fondu_src" didn't really
cut it for me
+ enable DESTDIR support
+ use a shell loop to install the package - CSE
INSTALLATION_DIRS, as well as all occurrences of ${PREFIX}/man with
${PREFIX}/${PKGMANDIR}.
Fixes PR 35265, although I did not use the patch provided therein.