ios: explicitly stop an application when running on the same device

iOS devices can run an application at a time.

Change-Id: I85a24ff32fbee571830a4bc4be8b18259f87924a
Reviewed-by: Daniel Teske <daniel.teske@digia.com>

src/plugins/ios/iosrunfactories.h

@@ -85,6 +85,8 @@ public:
     ProjectExplorer::RunControl *create(ProjectExplorer::RunConfiguration *runConfiguration,
                        ProjectExplorer::RunMode mode,
                        QString *errorMessage) QTC_OVERRIDE;
+private:
+    mutable QMap<Core::Id, QPointer<ProjectExplorer::RunControl> > m_activeRunControls;
 };
 
 } // namespace Internal