[dmd-internals] [D-Programming-Language/dmd] ed24f5: remove redundant slist_add()

[GitHub]

  Branch: refs/heads/dmd-1.x
  Home:   https://github.com/D-Programming-Language/dmd
  Commit: ed24f5ccc74a2637fd9d465e19289e5bbc6e44c4
      https://github.com/D-Programming-Language/dmd/commit/ed24f5ccc74a2637fd9d465e19289e5bbc6e44c4
  Author: Walter Bright <walter at walterbright.com>
  Date:   2013-01-28 (Mon, 28 Jan 2013)

  Changed paths:
    M src/backend/type.c

  Log Message:
  -----------
  remove redundant slist_add()