diff -Nura libgnomekbd-3.26.1/libgnomekbd/gkbd-keyboard-display.c libgnomekbd-3.26.1_new/libgnomekbd/gkbd-keyboard-display.c
--- libgnomekbd-3.26.1/libgnomekbd/gkbd-keyboard-display.c	2021-06-04 01:33:53.695366014 +0800
+++ libgnomekbd-3.26.1_new/libgnomekbd/gkbd-keyboard-display.c	2021-06-04 01:35:00.459249300 +0800
@@ -18,6 +18,7 @@
  */
 
 #include <stdlib.h>
+#include <string.h>
 #include <libintl.h>
 #include <config.h>