--- pwcheck/pwcheck_getpwnam.c.orig	2016-12-10 10:29:23.000000000 -0600
+++ pwcheck/pwcheck_getpwnam.c	2020-07-02 11:21:20.000000000 -0500
@@ -42,6 +42,7 @@
  */
 
 #include <pwd.h>
+#include <string.h>
 
 extern char *crypt();