unicode : add <algorithm> (#9508)

diff --git a/src/unicode.cpp b/src/unicode.cpp
index 46650bff06d15e9146888c332e4c79913ef09fcb..f4e941cd152611034ade3d0f7462f15d320e8ab2 100644 (file)
--- a/src/unicode.cpp
+++ b/src/unicode.cpp
@@ -5,6 +5,7 @@
 #include "unicode.h"
 #include "unicode-data.h"
 
+#include <algorithm>
 #include <cassert>
 #include <cstddef>
 #include <cstdint>