Replace typename --> class in templates

include/laser_scan_utils/loop_closure_falko.h

@@ -56,8 +56,8 @@ namespace laserscanutils {
 typedef falkolib::BSCExtractor<falkolib::FALKO> bscExtractor;
 typedef falkolib::CGHExtractor<falkolib::FALKO> cghExtractor;
 
-template <typename T, typename D> using nn_matcher  = falkolib::NNMatcher<T, D>;
-template <typename T, typename D> using aht_matcher = falkolib::AHTMatcher<T, D>;
+template <class T, class D> using nn_matcher  = falkolib::NNMatcher<T, D>;
+template <class T, class D> using aht_matcher = falkolib::AHTMatcher<T, D>;
 
 /** \brief Struct class that store falkolib parameters
  **/
@@ -111,7 +111,7 @@ struct ParameterLoopClosureFalko
  * \param _param parameter struct with falko lib parameters
  **/
 
-template <typename D, typename Extr, template <typename, typename> typename M>
+template <class D, class Extr, template <class, class> class M>
 class LoopClosureFalko : public LoopClosureBase2d, public falkolib::FALKOExtractor
 {
   public:
@@ -520,7 +520,7 @@ class LoopClosureFalko : public LoopClosureBase2d, public falkolib::FALKOExtract
 
 // Partial template specialization
 
-template <typename D, typename Extr> class LoopClosureFalkoAht : public LoopClosureFalko<D, Extr, falkolib::AHTMatcher>
+template <class D, class Extr> class LoopClosureFalkoAht : public LoopClosureFalko<D, Extr, falkolib::AHTMatcher>
 {
   public:
     LoopClosureFalkoAht(ParameterLoopClosureFalko _param)
@@ -530,7 +530,7 @@ template <typename D, typename Extr> class LoopClosureFalkoAht : public LoopClos
                                                        _param.yAbsMax_, _param.thetaAbsMax_)){};
 };
 
-template <typename D, typename Extr> class LoopClosureFalkoNn : public LoopClosureFalko<D, Extr, falkolib::NNMatcher>
+template <class D, class Extr> class LoopClosureFalkoNn : public LoopClosureFalko<D, Extr, falkolib::NNMatcher>
 {
   public:
     LoopClosureFalkoNn(ParameterLoopClosureFalko _param)