Missing include.

diff --git a/src/types.h b/src/types.h
index f1b5f640908d2bd1a851224f8138bf663be28617..ebcfb838a94ea1444f8197f671b89481e42ece72 100644 (file)
--- a/src/types.h
+++ b/src/types.h
@@ -24,6 +24,8 @@
 #ifndef LIBDCP_TYPES_H
 #define LIBDCP_TYPES_H
 
+#include <string>
+
 namespace libdcp
 {