Clear classificator on loading.

indexer/classificator.cpp

@@ -508,3 +508,8 @@ void Classificator::ReadTypesMapping(string const & buffer)
   m_i2t.Load(buffer);
   m_t2i.Load(buffer);
 }
+
+void Classificator::Clear()
+{
+  *this = Classificator();
+}

indexer/classificator.hpp

@@ -221,6 +221,8 @@ public:
   void SortClassificator();
   //@}
 
+  void Clear();
+
   /// Return type by path in classificator tree, example:
   /// path = ["natural", "caostline"].
   uint32_t GetTypeByPath(vector<string> const & path) const;

indexer/classificator_loader.cpp

@@ -22,6 +22,7 @@ namespace classificator
     string buffer;
 
     Classificator & c = classif();
+    c.Clear();
 
 //    LOG(LINFO, ("Reading classificator"));
     classificator.ReadAsString(buffer);