More cppcheck warnings

CI/ci-cppcheck.sh

@@ -59,7 +59,7 @@ echo "CPPCHECK Summary"
 echo "=============================================================================="
 echo -e "${NC}"
 
-MAX_ERROR=280
+MAX_ERROR=264
 
 if [ $COUNT -gt $MAX_ERROR ]; then
   echo -e ${WARNING}

publicWidgets/objectSelectionWidget/TreeModelObjectSelection.hh

@@ -67,7 +67,7 @@ class TreeModelObjectSelection : public QAbstractItemModel
   public:
 
     /// Constructor
-    TreeModelObjectSelection(QObject *_parent = 0);
+    explicit TreeModelObjectSelection(QObject *_parent = 0);
 
     /// Destructor
     ~TreeModelObjectSelection();