updated Doxyfile

properly close all doxygen groups
fixed remaining doxygen warnings

src/libstrongswan/database/database.h

@@ -120,4 +120,4 @@ struct database_t {
     void (*destroy)(database_t *this);
 };
 
-#endif /* DATABASE_H_ @}*/
+#endif /** DATABASE_H_ @}*/

src/libstrongswan/database/database_factory.h

@@ -70,4 +70,4 @@ struct database_factory_t {
  */
 database_factory_t *database_factory_create();
 
-#endif /* DATABASE_FACTORY_H_ @}*/
+#endif /** DATABASE_FACTORY_H_ @}*/