Merge pull request #301 from alan-baker/hpp1

Add spirv.hpp11 to BUILD.gn
diff --git a/BUILD.gn b/BUILD.gn
index be3f43b..d69b75e 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -32,12 +32,14 @@
     "include/spirv/1.2/OpenCL.std.h",
     "include/spirv/1.2/spirv.h",
     "include/spirv/1.2/spirv.hpp",
+    "include/spirv/1.2/spirv.hpp11",
     "include/spirv/unified1/GLSL.std.450.h",
     "include/spirv/unified1/NonSemanticClspvReflection.h",
     "include/spirv/unified1/NonSemanticDebugPrintf.h",
     "include/spirv/unified1/OpenCL.std.h",
     "include/spirv/unified1/spirv.h",
     "include/spirv/unified1/spirv.hpp",
+    "include/spirv/unified1/spirv.hpp11",
   ]
 
   public_configs = [ ":spv_headers_public_config" ]