Merge pull request #503 from Phoenix-flame/patch-1

Fix build warnings

include/crow/middlewares/session.h

@@ -220,7 +220,7 @@ namespace crow
             int referrers;
             std::recursive_mutex mutex;
         };
-    }; // namespace session
+    } // namespace session
 
     // SessionMiddleware allows storing securely and easily small snippets of user information
     template<typename Store>