Bug 1276642 - initialize member variable |mStatus|. r=valentin

MozReview-Commit-ID: DREwq15bAAe

--HG--
extra : rebase_source : 833daa0edd45c5f4207cabb07f2807d90a56c696

netwerk/base/nsProtocolProxyService.cpp

@@ -1135,6 +1135,7 @@ class nsAsyncBridgeRequest final  : public nsPACManCallback
      nsAsyncBridgeRequest()
         : mMutex("nsDeprecatedCallback")
         , mCondVar(mMutex, "nsDeprecatedCallback")
+        , mStatus(NS_OK)
         , mCompleted(false)
     {
     }