Merge branch 'bugfix/hasDOFs-pk1d' into 'master'

Bugfix: fix hasDOFs method in 'finiteelementmap/pk1dbasis.hh'

See commit dda8845e... which has introduced this new interface method.

See merge request !89

dune/pdelab/finiteelementmap/pk1dbasis.hh

@@ -207,10 +207,11 @@ namespace Dune {
         switch (codim)
           {
           case 0:
-            return k != 1;
+            return _k != 1;
           case 1:
-            return k > 0;
+            return _k > 0;
           }
+        return false;
       }
 
       std::size_t size(GeometryType gt) const