Debugger: Fix attaching to remote application.

Task-number: QTCREATORBUG-15210
Change-Id: Ia78e34737e4a66c6aaa0015e85002168717d29d7
Reviewed-by: hjk <hjk@theqtcompany.com>

src/plugins/debugger/gdb/startgdbserverdialog.cpp

@@ -214,6 +214,7 @@ void GdbServerStarter::attach(int port)
 
     DebuggerRunParameters rp;
     rp.masterEngineType = GdbEngineType;
+    rp.connParams.host = d->device->sshParameters().host;
     rp.connParams.port = port;
     rp.remoteChannel = rp.connParams.host + QLatin1Char(':') + QString::number(rp.connParams.port);
     rp.displayName = tr("Remote: \"%1:%2\"").arg(rp.connParams.host).arg(port);