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/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