Cppcheck warnings.

--HG--
branch : feature

src/libs/vpatterndb/vpiece_p.h

@@ -43,7 +43,7 @@ QT_WARNING_DISABLE_GCC("-Weffc++")
 class VPieceData : public QSharedData
 {
 public:
-    VPieceData(PiecePathType type)
+    explicit VPieceData(PiecePathType type)
         : m_path(type),
           m_mx(0),
           m_my(0),

src/libs/vpatterndb/vpiecepath.h

@@ -47,7 +47,7 @@ class VPiecePath
 {
 public:
     VPiecePath();
-    VPiecePath(PiecePathType type);
+    explicit VPiecePath(PiecePathType type);
     VPiecePath(const VPiecePath &path);
     VPiecePath &operator=(const VPiecePath &path);
     ~VPiecePath();

src/libs/vpatterndb/vpiecepath_p.h

@@ -47,7 +47,7 @@ public:
           m_name()
     {}
 
-    VPiecePathData(PiecePathType type)
+    explicit VPiecePathData(PiecePathType type)
         : m_nodes(),
           m_type(type),
           m_name()