[zenity] Fix for bug #540489 and #501001 both related to 100% use of cpu.

[Arx Henrique Pereira da Cruz <arxcruz src gnome org>]

commit 9ab8380ff217cf6162ef4be7a473bb7a34b4d104
Author: Arx Cruz <arxcruz src gnome org>
Date:   Fri Jul 8 11:57:18 2011 -0300

    Fix for bug #540489 and #501001 both related to 100% use of cpu.

 src/tree.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/tree.c b/src/tree.c
index b0ff4c5..cdc1599 100644
--- a/src/tree.c
+++ b/src/tree.c
@@ -130,6 +130,9 @@ zenity_tree_handle_stdin (GIOChannel  *channel,
         while (gtk_events_pending ())
           gtk_main_iteration ();
 
+        // TODO: Find a better way to avoid 100% cpu utilization
+        g_usleep(10000);
+
       } while (status == G_IO_STATUS_AGAIN);
 
       if (status != G_IO_STATUS_NORMAL) {