Fix missing header

6a7cbbfd · lhausamm · e57da2b0 · 6a7cbbfd
Commit 6a7cbbfd authored Mar 02, 2018 by lhausamm
--- a/src/io_properties.h
+++ b/src/io_properties.h
@@ -19,6 +19,8 @@
 #ifndef SWIFT_IO_PROPERTIES_H
 #define SWIFT_IO_PROPERTIES_H

+#include <string.h>
+
 /* Config parameters. */
 #include "../config.h"