Avoid error due to -Wimplicit-function-declaration

diff --git a/nss/nss_borg/borg-pwd.c b/nss/nss_borg/borg-pwd.c
index 2e50b287a9254105bfcb3ec266cf387a4e361d50..b3c18e055c393188f2fafe776d15fabe3ca028a9 100644 (file)
--- a/nss/nss_borg/borg-pwd.c
+++ b/nss/nss_borg/borg-pwd.c
@@ -9,6 +9,7 @@
 #include <string.h>
 #include <sys/types.h>
 #include <syslog.h>
+#include <unistd.h>
 
 #include <libc-lock.h>
 __libc_lock_define_initialized(static, lock)