dot, hoa: enable "k" also for fair_kripke

* spot/twaalgos/dot.cc, spot/twaalgos/hoa.cc: Here.

spot/twaalgos/dot.cc

@@ -31,7 +31,7 @@
 #include <spot/twa/formula2bdd.hh>
 #include <spot/twaalgos/copy.hh>
 #include <spot/twaalgos/sccinfo.hh>
-#include <spot/kripke/kripke.hh>
+#include <spot/kripke/fairkripke.hh>
 #include <cstdlib>
 #include <cstring>
 #include <algorithm>
@@ -665,7 +665,7 @@ namespace spot
   {
     dotty_output d(os, options);
     // Enable automatic state labels for Kripke structure.
-    if (std::dynamic_pointer_cast<const kripke>(g))
+    if (std::dynamic_pointer_cast<const fair_kripke>(g))
       d.parse_opts("k");
     auto aut = std::dynamic_pointer_cast<const twa_graph>(g);
     if (!aut || (d.max_states_given() && aut->num_states() >= d.max_states()))

spot/twaalgos/hoa.cc

@@ -33,7 +33,7 @@
 #include <spot/misc/minato.hh>
 #include <spot/twa/formula2bdd.hh>
 #include <spot/tl/formula.hh>
-#include <spot/kripke/kripke.hh>
+#include <spot/kripke/fairkripke.hh>
 
 namespace spot
 {
@@ -586,7 +586,7 @@ namespace spot
 
     // for Kripke structures, automatically append "k" to the options.
     char* tmpopt = nullptr;
-    if (std::dynamic_pointer_cast<const kripke>(aut))
+    if (std::dynamic_pointer_cast<const fair_kripke>(aut))
       {
 	unsigned n = opt ? strlen(opt) : 0;
 	tmpopt = new char[n + 2];