RemoteGdb: Fix setup for attaching via dialog

Fix regression introduced in 9e8f935a while at the same time decoupling
the 'useServerStartScript' setting from whether the engine uses
requestRemoteSetup, or not.

Task-number: QTCREATORBUG-6841
Change-Id: I0850ec60e0f45ac66ba6736bcb9f75fdf73c1d23
Reviewed-by: Christian Kandeler <christian.kandeler@nokia.com>

src/plugins/debugger/debuggerstartparameters.h

@@ -69,6 +69,7 @@ public:
         qmlServerPort(ProjectExplorer::Constants::QML_DEFAULT_DEBUG_SERVER_PORT),
         useServerStartScript(false),
         connParams(Utils::SshConnectionParameters::NoProxy),
+        requestRemoteSetup(false),
         startMode(NoStartMode),
         executableUid(0),
         communicationChannel(CommunicationChannelTcpIp),
@@ -115,6 +116,7 @@ public:
     QString remoteMountPoint;
     QString localMountDir;
     Utils::SshConnectionParameters connParams;
+    bool requestRemoteSetup;
 
     QString debuggerCommand;
     ProjectExplorer::Abi toolChainAbi;