Add test header missing from r184504.

llvm-svn: 184505
diff --git a/clang/test/Modules/Inputs/MethodPoolBSub2.h b/clang/test/Modules/Inputs/MethodPoolBSub2.h
new file mode 100644
index 0000000..8bc369f
--- /dev/null
+++ b/clang/test/Modules/Inputs/MethodPoolBSub2.h
@@ -0,0 +1,3 @@
+@interface TotallyUnrelated
+- (id)method6;
+@end