Added missing include

QStringList was used, but it wasn't included from VlmcDebug.h nor
SettingsManager.h

Signed-off-by: Hugo Beauzee-Luyssen <beauze.h@gmail.com>

src/Tools/VlmcDebug.cpp

@@ -21,6 +21,7 @@
  *****************************************************************************/
 
 #include <QCoreApplication>
+#include <QStringList>
 
 #include "SettingsManager.h"
 #include "VlmcDebug.h"