[gdm] Remove unused variables

[Robert Ancell <rancell src gnome org>]

commit 6f85ec2ae7a7f9fb329f2e5dfd14b45117b48d85
Author: Robert Ancell <robert ancell canonical com>
Date:   Mon Dec 4 12:15:14 2017 +1300

    Remove unused variables

 common/gdm-log.c |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/common/gdm-log.c b/common/gdm-log.c
index 8a2d015..ddbf853 100644
--- a/common/gdm-log.c
+++ b/common/gdm-log.c
@@ -125,9 +125,6 @@ gdm_log_set_debug (gboolean debug)
 void
 gdm_log_init (void)
 {
-        const char *prg_name;
-        int         options;
-
         if (initialized)
                 return;