[Bug analyzer/115735] Analyzer misses trivial syslog() call in signal handler for -Wanalyzer-unsafe-call-within-signal-handler

[dmalcolm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115735

--- Comment #8 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Not only are we not treating "syslog" as unsafe, we're also failing to handle
sigaction as a way of setting a signal handler.  I'm taking a look.