add comments on #endif's

diff --git a/src/id.c b/src/id.c
index 6c6675f..9371a32 100644 (file)
--- a/src/id.c
+++ b/src/id.c
@@ -285,7 +285,7 @@ print_group_list (const char *username)
        }
     free (groups);
   }
-#endif
+#endif /* HAVE_GETGROUPS */
 }
 
 /* Print all of the info about the user's user and group IDs. */
@@ -357,7 +357,7 @@ print_full_info (const char *username)
       }
     free (groups);
   }
-#endif
+#endif /* HAVE_GETGROUPS */
 }
 
 static void