[D-runtime] [D-Programming-Language/druntime] 502f7f: fixup of #1449

[GitHub via D-runtime]

  Branch: refs/heads/stable
  Home:   https://github.com/D-Programming-Language/druntime
  Commit: 502f7fbbacb6af2c04c6a144adfc3f3b2a9a5809
      https://github.com/D-Programming-Language/druntime/commit/502f7fbbacb6af2c04c6a144adfc3f3b2a9a5809
  Author: Martin Nowak <code at dawg.eu>
  Date:   2016-01-16 (Sat, 16 Jan 2016)

  Changed paths:
    M mak/COPY
    M mak/MANIFEST
    M mak/SRCS
    R src/core/sys/unwind.d
    M src/rt/dwarfeh.d
    A src/rt/unwind.d
    M win32.mak
    M win64.mak

  Log Message:
  -----------
  fixup of #1449

- add unwind header as internal module


  Commit: b883d9791f2c08256edcdacf45a7f13cdda47ef2
      https://github.com/D-Programming-Language/druntime/commit/b883d9791f2c08256edcdacf45a7f13cdda47ef2
  Author: Andrei Alexandrescu <andrei at erdani.com>
  Date:   2016-01-16 (Sat, 16 Jan 2016)

  Changed paths:
    M mak/COPY
    M mak/MANIFEST
    M mak/SRCS
    R src/core/sys/unwind.d
    M src/rt/dwarfeh.d
    A src/rt/unwind.d
    M win32.mak
    M win64.mak

  Log Message:
  -----------
  Merge pull request #1465 from MartinNowak/rename_unwind

fixup of #1449


Compare: https://github.com/D-Programming-Language/druntime/compare/0f958ab246e1...b883d9791f2c