add SunOS to *BSD flags case

[kenichi]

Slight change to get the .so building on OmniOS CE r151054 x86_64. It should work on OpenIndiana, SmartOS, other illumos distros that report SunOS from uname -s (helios?)

The NIF is working in my application so far, both with the system sqlite-3 pkg and without. However, to get the tests in this project to pass, I had to make changes to:

• mindreframer/ex_sqlean@main...kenichi:ex_sqlean:sunos
• https://github.com/mindreframer/sqlean (unpushed, curious about diffs w/ upstream)

I had to allow the test script in sqlean (fork) to update expectations, then it passed. With the .so files built and those other changes all reflected locally:

Running ExUnit with seed: 614009, max_cases: 8
Excluding tags: [:slow_test]

...............................................................................................................................
Finished in 5.9 seconds (0.00s async, 5.9s sync)
11 doctests, 117 tests, 0 failures, 1 excluded

[warmwaffles]

Wow, people still rocking on the old SunOS stuff. Cool.

[warmwaffles]

Released under v0.33.1