[D-runtime] [D-Programming-Language/druntime] 0a8b4b: Replace use of lockf with flock for Bionic

[GitHub via D-runtime]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/druntime
  Commit: 0a8b4b8ab97592261afa8090a8cd02c2c94d9c77
      https://github.com/D-Programming-Language/druntime/commit/0a8b4b8ab97592261afa8090a8cd02c2c94d9c77
  Author: Joakim <git at joakim.fea.st>
  Date:   2015-05-28 (Thu, 28 May 2015)

  Changed paths:
    M src/core/sys/posix/fcntl.d
    M src/core/sys/posix/unistd.d
    M src/rt/cover.d

  Log Message:
  -----------
  Replace use of lockf with flock for Bionic


  Commit: b681a57d231accbde92f178675ff40ac602c95ab
      https://github.com/D-Programming-Language/druntime/commit/b681a57d231accbde92f178675ff40ac602c95ab
  Author: Joakim <git at joakim.fea.st>
  Date:   2015-05-28 (Thu, 28 May 2015)

  Changed paths:
    M src/core/stdc/math.d

  Log Message:
  -----------
  Add proper ilogb constants for Bionic


  Commit: 738f4cfa0db17ca73799957ab873cdced1660c8c
      https://github.com/D-Programming-Language/druntime/commit/738f4cfa0db17ca73799957ab873cdced1660c8c
  Author: Steven Schveighoffer <schveiguy at yahoo.com>
  Date:   2015-06-15 (Mon, 15 Jun 2015)

  Changed paths:
    M src/core/stdc/math.d
    M src/core/sys/posix/fcntl.d
    M src/core/sys/posix/unistd.d
    M src/rt/cover.d

  Log Message:
  -----------
  Merge pull request #1290 from joakim-noah/android

Two fixes for Bionic


Compare: https://github.com/D-Programming-Language/druntime/compare/0a23861c308b...738f4cfa0db1