systemctl: change column name in "list-sockets" out from "units" to "unit"

All our other tables call the field in singular, hence let's do so here,
too.

diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index 5c32147f14cc7198248c801b72ffeb1754c65dbd..673f29bcaa3c2f2e7ce380e08b16ecb697078a68 100644 (file)
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -1008,7 +1008,7 @@ static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) {
         const char *on, *off;
         int r;
 
-        table = table_new("listen", "type", "units", "activates");
+        table = table_new("listen", "type", "unit", "activates");
         if (!table)
                 return log_oom();