[mutter] Fix warnings when building without verbose mode

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit a97cc84b8127b811c119623f18e981a7dd4f62f2
Author: Jonas Ådahl <jadahl gmail com>
Date:   Thu Jul 12 17:08:52 2018 +0200

    Fix warnings when building without verbose mode

 src/core/stack-tracker.c            | 6 ++++++
 src/wayland/meta-wayland-keyboard.c | 2 ++
 src/wayland/meta-wayland-outputs.c  | 4 ++++
 3 files changed, 12 insertions(+)
---
diff --git a/src/core/stack-tracker.c b/src/core/stack-tracker.c
index fbd4c353c..34e4698cd 100644
--- a/src/core/stack-tracker.c
+++ b/src/core/stack-tracker.c
@@ -185,7 +185,9 @@ meta_stack_op_dump (MetaStackTracker *tracker,
                    const char       *prefix,
                    const char       *suffix)
 {
+#ifdef WITH_VERBOSE_MODE
   const char *window_desc = get_window_desc (tracker, op->any.window);
+#endif
 
   switch (op->any.type)
     {
@@ -220,6 +222,7 @@ meta_stack_op_dump (MetaStackTracker *tracker,
     }
 }
 
+#ifdef WITH_VERBOSE_MODE
 static void
 stack_dump (MetaStackTracker *tracker,
             GArray           *stack)
@@ -235,10 +238,12 @@ stack_dump (MetaStackTracker *tracker,
   meta_topic (META_DEBUG_STACK, "\n");
   meta_pop_no_msg_prefix ();
 }
+#endif /* WITH_VERBOSE_MODE */
 
 static void
 meta_stack_tracker_dump (MetaStackTracker *tracker)
 {
+#ifdef WITH_VERBOSE_MODE
   GList *l;
 
   meta_topic (META_DEBUG_STACK, "MetaStackTracker state\n");
@@ -259,6 +264,7 @@ meta_stack_tracker_dump (MetaStackTracker *tracker)
       stack_dump (tracker, tracker->predicted_stack);
     }
   meta_pop_no_msg_prefix ();
+#endif /* WITH_VERBOSE_MODE */
 }
 
 static void
diff --git a/src/wayland/meta-wayland-keyboard.c b/src/wayland/meta-wayland-keyboard.c
index e049e8e0b..8b23d76ce 100644
--- a/src/wayland/meta-wayland-keyboard.c
+++ b/src/wayland/meta-wayland-keyboard.c
@@ -778,7 +778,9 @@ gboolean
 meta_wayland_keyboard_handle_event (MetaWaylandKeyboard *keyboard,
                                     const ClutterKeyEvent *event)
 {
+#ifdef WITH_VERBOSE_MODE
   gboolean is_press = event->type == CLUTTER_KEY_PRESS;
+#endif
   gboolean handled;
 
   /* Synthetic key events are for autorepeat. Ignore those, as
diff --git a/src/wayland/meta-wayland-outputs.c b/src/wayland/meta-wayland-outputs.c
index 11717207d..e1e72814a 100644
--- a/src/wayland/meta-wayland-outputs.c
+++ b/src/wayland/meta-wayland-outputs.c
@@ -254,7 +254,9 @@ bind_output (struct wl_client *client,
   MetaWaylandOutput *wayland_output = data;
   MetaLogicalMonitor *logical_monitor = wayland_output->logical_monitor;
   struct wl_resource *resource;
+#ifdef WITH_VERBOSE_MODE
   MetaMonitor *monitor;
+#endif
 
   resource = wl_resource_create (client, &wl_output_interface, version, id);
   wayland_output->resources = g_list_prepend (wayland_output->resources, resource);
@@ -265,6 +267,7 @@ bind_output (struct wl_client *client,
   if (!logical_monitor)
     return;
 
+#ifdef WITH_VERBOSE_MODE
   monitor = pick_main_monitor (logical_monitor);
 
   meta_verbose ("Binding monitor %p/%s (%u, %u, %u, %u) x %f\n",
@@ -273,6 +276,7 @@ bind_output (struct wl_client *client,
                 logical_monitor->rect.x, logical_monitor->rect.y,
                 logical_monitor->rect.width, logical_monitor->rect.height,
                 wayland_output->refresh_rate);
+#endif
 
   send_output_events (resource, wayland_output, logical_monitor, TRUE, NULL);
 }