wdscore: Add stub DLL.

[Stefan Leichter]

The wdscore.dll is used from the Windows 10 MediaCreationTool.exe

Signed-off-by: Stefan Leichter 
---
  configure.ac                |   1 +
  dlls/wdscore/Makefile.in    |   4 ++
  dlls/wdscore/wdscore.spec   | 161 
++++++++++++++++++++++++++++++++++++++++++++
  dlls/wdscore/wdscore_main.c |  43 ++++++++++++
  4 files changed, 209 insertions(+)
  create mode 100644 dlls/wdscore/Makefile.in
  create mode 100644 dlls/wdscore/wdscore.spec
  create mode 100644 dlls/wdscore/wdscore_main.c