Bug 1367885: Follow-up - fix missing explicit keyword on constructor on a CLOSED TREE; r=bustage

MozReview-Commit-ID: KvlrtJlUir8

--HG--
extra : rebase_source : 88b65dfdc34e2df79dec294f3828f1dc6b33ceeb
extra : histedit_source : 42f77c82bd86f54154df52d4fa58c6107771868b

ipc/mscom/Interceptor.h

@@ -112,7 +112,7 @@ private:
   };
 
 private:
-  Interceptor(IInterceptorSink* aSink);
+  explicit Interceptor(IInterceptorSink* aSink);
   ~Interceptor();
   HRESULT GetInitialInterceptorForIID(REFIID aTargetIid,
                                       STAUniquePtr<IUnknown> aTarget,