include algorithm.h

Change-Id: I48696af45896b24b18e1c97266c827a4b3ad3fd4
diff --git a/src/config.cc b/src/config.cc
index 52f5ea1..e34d4e2 100644
--- a/src/config.cc
+++ b/src/config.cc
@@ -4,6 +4,7 @@
 
 #include "src/config.h"
 
+#include <algorithm>
 #include <set>
 
 #include <base/bind.h>
diff --git a/src/test/unittest_utils.cc b/src/test/unittest_utils.cc
index b9858e4..6a6e7fa 100644
--- a/src/test/unittest_utils.cc
+++ b/src/test/unittest_utils.cc
@@ -4,6 +4,8 @@
 
 #include "src/commands/unittest_utils.h"
 
+#include <algorithm>
+
 #include <base/json/json_reader.h>
 #include <base/json/json_writer.h>
 #include <base/logging.h>