changes file for bug4650

changes/bug4650

@@ -0,0 +1,7 @@
+  o Minor features:
+    - Log more useful messages when we fail to disable debugger attachment.
+
+  o Minor bugfixes:
+    - Reject attempts to disable DisableDebuggerAttachment while Tor is
+      running. Fixes bug 4650; bugfix on 0.2.3.9-alpha.
+