[dmd-internals] [D-Programming-Language/dmd] 30f5bc: fix cherry-pick so it compiles

[GitHub via dmd-internals]

  Branch: refs/heads/dmd-1.x
  Home:   https://github.com/D-Programming-Language/dmd
  Commit: 30f5bc8e7a7abbd9a940778838444f82f28bc655
      https://github.com/D-Programming-Language/dmd/commit/30f5bc8e7a7abbd9a940778838444f82f28bc655
  Author: Walter Bright <walter at walterbright.com>
  Date:   2015-05-20 (Wed, 20 May 2015)

  Changed paths:
    M src/mars.c

  Log Message:
  -----------
  fix cherry-pick so it compiles