Fix compiler warnings in QtNetwork.

- Initialization order in QHttpNetworkConnectionChannel
- Potential use of uninitialized value in QNetworkReplyDataImpl

Change-Id: Ia405147ef81a3f1509149349d6b5b01bb078f853
Reviewed-by: Peter Hartmann <peter.hartmann@nokia.com>
Reviewed-by: Bradley T. Hughes <bradley.hughes@nokia.com>

src/network/access/qhttpnetworkconnectionchannel.cpp

@@ -73,10 +73,10 @@ QHttpNetworkConnectionChannel::QHttpNetworkConnectionChannel()
     , lastStatus(0)
     , pendingEncrypt(false)
     , reconnectAttempts(2)
-    , authenticationCredentialsSent(false)
-    , proxyCredentialsSent(false)
     , authMethod(QAuthenticatorPrivate::None)
     , proxyAuthMethod(QAuthenticatorPrivate::None)
+    , authenticationCredentialsSent(false)
+    , proxyCredentialsSent(false)
 #ifndef QT_NO_OPENSSL
     , ignoreAllSslErrors(false)
 #endif

src/network/access/qnetworkreplydataimpl.cpp

@@ -73,7 +73,6 @@ QNetworkReplyDataImpl::QNetworkReplyDataImpl(QObject *parent, const QNetworkRequ
     QString mimeType;
     QByteArray payload;
     if (qDecodeDataUrl(url, mimeType, payload)) {
-        QString &mimeType = mimeType;
         qint64 size = payload.size();
         setHeader(QNetworkRequest::ContentTypeHeader, mimeType);
         setHeader(QNetworkRequest::ContentLengthHeader, size);