Add missing file from r204570.

llvm-svn: 204574
diff --git a/clang/test/Modules/Inputs/cxx-inline-namespace-b.h b/clang/test/Modules/Inputs/cxx-inline-namespace-b.h
new file mode 100644
index 0000000..242a585
--- /dev/null
+++ b/clang/test/Modules/Inputs/cxx-inline-namespace-b.h
@@ -0,0 +1,5 @@
+@import cxx_inline_namespace;
+
+struct X::Y::Z {
+  void f(struct Elaborated);
+};