[PATCH 2/4] winevulkan: Use pthread_rwlock_t in VkInstance_T.

[Jacek Caban]

Signed-off-by: Jacek Caban <jacek(a)codeweavers.com>
---
  dlls/winevulkan/Makefile.in      |  1 +
  dlls/winevulkan/vulkan.c         | 15 ++++++++-------
  dlls/winevulkan/vulkan_private.h |  4 +++-
  3 files changed, 12 insertions(+), 8 deletions(-)