Project: remove unnecessary includes

src/Project/ProjectManager.cpp

@@ -33,7 +33,7 @@
 #include "Workspace.h"
 
 #include <QDir>
-#include <QMessageBox>
+#include <QDomDocument>
 
 #include <errno.h>
 #include <signal.h>

src/Project/ProjectManager.h

@@ -25,8 +25,8 @@
 
 #include "config.h"
 #include <QObject>
-#include <QDomDocument>
 #include <QStringList>
+#include <QDomElement>
 
 #include "Singleton.hpp"
 

src/Project/Workspace.cpp

@@ -29,6 +29,8 @@
 #include "SettingsManager.h"
 #include "VlmcDebug.h"
 
+#include <QMutex>
+
 #ifdef WITH_GUI
 # include "NotificationZone.h"
 # include <QMessageBox>

src/Project/Workspace.h

@@ -27,7 +27,6 @@
 
 #include "ErrorHandler.h"
 
-#include <QMutex>
 #include <QObject>
 #include <QQueue>
 
@@ -35,6 +34,7 @@ class   Clip;
 class   Media;
 
 class   QFileInfo;
+class   QMutex;
 
 class Workspace : public QObject, public Singleton<Workspace>, public ErrorHandler
 {