Add missing changes file for d461799f0

changes/getinfo_ns_garbage

@@ -0,0 +1,5 @@
+ o Minor bugfixes:
+   - Fix a bug in the controller interface where "GETINFO ns/asdaskljkl"
+     would return "551 Internal error" rather than "552 Unrecognized key
+     "ns/asdaskljkl".
+