lilypond: style nits
mlton: style nits
wxmac: style nits
uwsgi: style nits
signing-party: style nits
shocco: style nits
rhash: style nits
postgres-xc: style nits
phantom-js: style nits
nu: style nits
node: style nits
mysql-connector-odbc: style nits
mupdf: style nits
mu: style nits
mongodb: style nits
avain: style nits
dsniff: style nits
appledoc: style nits
squild: style nits
liblo: make ipv6 optional

Closes #17353.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>