Don't include flock support on Solaris

[inferiorhumanorgans]

This should disable the flock wrapper and related consts on Solaris, but leave them in place for OpenSolaris derivatives like Illumos which do have a BSD-esque flock.

[rustbot]

r? @JohnTitor

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[rustbot]

Some changes occurred in solarish module

cc @jclulow, @pfmooney

[JohnTitor]

@bors r+

[bors]

📌 Commit 076f240 has been approved by JohnTitor

It is now in the queue for this repository.

[bors]

⌛ Testing commit 076f240 with merge 65b16b3...

[bors]

💔 Test failed - checks-cirrus-freebsd-13

[inferiorhumanorgans]

  error: macros cannot expand to foreign items
      --> ../src/unix/mod.rs:1070:5
       |
  1070 | /     cfg_if! {
  1071 | |         if #[cfg(not(target_os = "solaris"))] {
  1072 | |             pub fn flock(fd: ::c_int, operation: ::c_int) -> ::c_int;
  1073 | |         }
  1074 | |     }
       | |_____^

So is the answer to pull this out of a cfg_if block?

[JohnTitor]

Yeah, that should resolve the error.
@bors r-
@rustbot author

[JohnTitor]

Triage: Closing as inactive, feel free to re-submit a new PR if you're still interested in this change. Thank you anyway!