Mesa (master): Fix gallium SCons build

[Nicolai Hähnle]

Module: Mesa
Branch: master
Commit: eb88ece9e36cb4a5b09dcb800aa9e34ed4ba42c0
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=eb88ece9e36cb4a5b09dcb800aa9e34ed4ba42c0

Author: Nicolai Hähnle <nicolai.haehnle at amd.com>
Date:   Wed Aug  2 11:48:23 2017 +0200

Fix gallium SCons build

---

 src/gallium/auxiliary/pipe-loader/SConscript | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/gallium/auxiliary/pipe-loader/SConscript b/src/gallium/auxiliary/pipe-loader/SConscript
index 14e1b350ae..0f72195b29 100644
--- a/src/gallium/auxiliary/pipe-loader/SConscript
+++ b/src/gallium/auxiliary/pipe-loader/SConscript
@@ -7,6 +7,7 @@ env.MSVC2013Compat()
 env.Append(CPPPATH = [
     '#/src/loader',
     '#/src/gallium/winsys',
+    xmlpool_options.dir.dir,
 ])
 
 env.Append(CPPDEFINES = [