Add missing header

abedra · abedra · commit d622d8191b5b · 2023-03-24T21:45:58.000-05:00
diff --git a/simple_http.hpp b/simple_http.hpp
@@ -9,6 +9,7 @@
 #include <utility>
 #include <variant>
 #include <ostream>
+#include <numeric>
 
 namespace SimpleHttp {
 
