maint: id, groups: use conforming diagnostics

* src/groups.c (main): Don't capitalize the first word of diagnostic.
* src/id.c (main): Likewise.
Reported by Ludovic Courtès.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/id.c b/src/id.c
index f80fcd13c..cfbaa296c 100644
--- a/src/id.c
+++ b/src/id.c
@@ -195,7 +195,7 @@ main (int argc, char **argv)
     {
       struct passwd *pwd = getpwnam (argv[optind]);
       if (pwd == NULL)
-        error (EXIT_FAILURE, 0, _("%s: No such user"), argv[optind]);
+        error (EXIT_FAILURE, 0, _("%s: no such user"), argv[optind]);
       ruid = euid = pwd->pw_uid;
       rgid = egid = pwd->pw_gid;
     }