Moved includes [skip ci]

Author: ankane

include/pgvector/pqxx.hpp

@@ -6,11 +6,12 @@
 
 #pragma once
 
-#include <pqxx/pqxx>
 #include <sstream>
 #include <string>
 #include <vector>
 
+#include <pqxx/pqxx>
+
 #include "halfvec.hpp"
 #include "sparsevec.hpp"
 #include "vector.hpp"

test/pqxx_test.cpp

@@ -1,9 +1,10 @@
 #include <cassert>
 #include <optional>
-#include <pqxx/pqxx>
 #include <string>
 #include <vector>
 
+#include <pqxx/pqxx>
+
 #include "../include/pgvector/pqxx.hpp"
 
 void setup(pqxx::connection &conn) {