[5632] Swap builtin classes order as a result of review.

src/lib/dhcpsrv/client_class_def.cc

@@ -305,7 +305,7 @@ builtinNames = {
 
 std::list<std::string>
 builtinPrefixes = {
-    "VENDOR_CLASS_", "AFTER_", "EXTERNAL_", "HA_"
+    "VENDOR_CLASS_", "HA_", "AFTER_", "EXTERNAL_"
 };
 
 bool

src/lib/dhcpsrv/client_class_def.h

@@ -348,7 +348,7 @@ typedef boost::shared_ptr<ClientClassDictionary> ClientClassDictionaryPtr;
 extern std::list<std::string> builtinNames;
 
 /// @brief List of built-in client class prefixes
-/// i.e. VENDOR_CLASS_, AFTER_, EXTERNAL_ and HA_.
+/// i.e. VENDOR_CLASS_, HA_, AFTER_ and EXTERNAL_.
 extern std::list<std::string> builtinPrefixes;
 
 /// @brief Check if a client class name is builtin.