[zenity] Fix uninitialized progress_bar error

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

commit 8fcde2b8423526eb1f2ab8bbe8e07a0350283927
Author: Arx Cruz <arxcruz gnome org>
Date:   Fri May 29 13:53:25 2015 +0200

    Fix uninitialized progress_bar error

 src/progress.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/progress.c b/src/progress.c
index d8ecea5..8e458c6 100644
--- a/src/progress.c
+++ b/src/progress.c
@@ -292,6 +292,8 @@ zenity_progress (ZenityData *data, ZenityProgressData *progress_data)
   dialog = GTK_WIDGET (gtk_builder_get_object (builder,
                                                "zenity_progress_dialog"));
 
+  progress_bar = gtk_builder_get_object (builder, "zenity_progress_bar");
+
   g_signal_connect (G_OBJECT (dialog), "response",
                     G_CALLBACK (zenity_progress_dialog_response), data);
 
@@ -337,8 +339,6 @@ zenity_progress (ZenityData *data, ZenityProgressData *progress_data)
   if (progress_data->dialog_text)
     gtk_label_set_markup (GTK_LABEL (text), g_strcompress (progress_data->dialog_text));
 
-  progress_bar = gtk_builder_get_object (builder, "zenity_progress_bar");
-
   if (progress_data->percentage > -1)
     gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (progress_bar), 
                                    progress_data->percentage/100.0);