Add string.h

Failed to compile without this line on MacOS Big Sur Beta.

diff --git a/client/ui.c b/client/ui.c
index 5c9d7424a614189ef5347b2acc8db6600bb4732e..46f7b73c349b48a0dcb067e93a51097c30f003fc 100644 (file)
--- a/client/ui.c
+++ b/client/ui.c
@@ -13,6 +13,7 @@
 #ifndef EXTERNAL_PRINTANDLOG
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
 #include <stdarg.h>
 #include <readline/readline.h>
 #include <pthread.h>