OVCCGtk: don't use deprecated thread API

clients/ovcc-gtk/src/utils.c

@@ -45,7 +45,7 @@ data_get_path (const gchar *file)
 
 static GtkMessageType ST_last_msg_type  = 0;
 static GTimer        *ST_last_msg_timer = NULL;
-static GStaticMutex   ST_msg_mutex      = G_STATIC_MUTEX_INIT;
+static GMutex         ST_msg_mutex;
 
 /* Manages rate limit (not to show too much maybe useless messages to the user,
  * which is bothering and probably useless anyway (if there is already allot of
@@ -63,7 +63,7 @@ msg_showv (GtkMessageType type,
    * the message is shown when the user is resizing the window and don't stop
    * resizing and re-get an error message. This implementation needs
    * multi-threading to be enabled. */
-  if (! g_static_mutex_trylock (&ST_msg_mutex)) {
+  if (! g_mutex_trylock (&ST_msg_mutex)) {
     g_warning ("Dropping message due to locked dialog "
                "(there is already an error displayed)");
     return;
@@ -111,7 +111,7 @@ msg_showv (GtkMessageType type,
   ST_last_msg_type = type;
   g_timer_start (ST_last_msg_timer);
   
-  g_static_mutex_unlock (&ST_msg_mutex);
+  g_mutex_unlock (&ST_msg_mutex);
 }
 
 void