qt5: -sdk no longer needed.

* Qt5's can detect this itself, now. This is good.
* HEAD no longer has the `-nomake demos`.
qt5: Fix dbus

Fix #21221
lldpd 0.7.6

Closes #21193.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
GitHub API access may result in SSL errors

Closes #21216.
Clarify behavior of `brew search` without an argument

As documented in the man page, when given no arguments, `brew search`
will list all formulae. This is different than giving an *empty*
argument.
bibtexconv 0.9.4

Closes #21144.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
elf: style tweaks
add ARGV.value
audit: ARGV.find is a warning, .value is allowed
audit: skip an audit for mongodb
auctex: use ARGV.value
mecab-ipadic: use ARGV.value
proof-general: use ARGV.value