Fix some cppcheck reports:

- (error) va_list '<var>' was opened but not closed by va_end()
- (style) Same expression on both sides of '||'
- (style) Same expression on both sides of '!='

src/Mod/Mesh/App/Core/Grid.cpp

@@ -97,7 +97,7 @@ void MeshGrid::InitGrid (void)
 
   // Grid Laengen berechnen wenn nicht initialisiert
   //
-  if ((_ulCtGridsX == 0) || (_ulCtGridsX == 0) || (_ulCtGridsX == 0))
+  if ((_ulCtGridsX == 0) || (_ulCtGridsY == 0) || (_ulCtGridsZ == 0))
     CalculateGridLength(MESH_CT_GRID, MESH_MAX_GRIDS);
 
   // Grid Laengen und Offset bestimmen

src/Mod/Points/App/PointsGrid.cpp

@@ -130,7 +130,7 @@ void PointsGrid::InitGrid (void)
 
   // Grid Laengen berechnen wenn nicht initialisiert
   //
-  if ((_ulCtGridsX == 0) || (_ulCtGridsX == 0) || (_ulCtGridsX == 0))
+  if ((_ulCtGridsX == 0) || (_ulCtGridsY == 0) || (_ulCtGridsZ == 0))
     CalculateGridLength(POINTS_CT_GRID, POINTS_MAX_GRIDS);
 
   // Grid Laengen und Offset bestimmen

src/Mod/Robot/App/kdl_cp/chainiksolvervel_pinv_givens.cpp

@@ -52,8 +52,6 @@ namespace KDL
 
     int ChainIkSolverVel_pinv_givens::CartToJnt(const JntArray& q_in, const Twist& v_in, JntArray& qdot_out)
     {
-        toggle!=toggle;
-
         jnt2jac.JntToJac(q_in,jac);
 
         for(unsigned int i=0;i<6;i++)