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-rw-r--r--login-utils/newgrp.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/login-utils/newgrp.c b/login-utils/newgrp.c
index ba13fdeb1..65dd00d95 100644
--- a/login-utils/newgrp.c
+++ b/login-utils/newgrp.c
@@ -3,6 +3,7 @@
/* Vesa Roukonen added code for asking password */
/* Currently maintained at ftp://ftp.daimi.aau.dk/pub/linux/poe/ */
+#define _XOPEN_SOURCE /* for crypt() */
#include <unistd.h>
#include <pwd.h>
#include <grp.h>