[ekiga] Fix compile error with recent GTK due to deprecated function

[Eugen Dedu <ededu src gnome org>]

commit 9882c912442876fda989a2fdb251f5d7609235e0
Author: Eugen Dedu <Eugen Dedu pu-pm univ-fcomte fr>
Date:   Tue Jan 31 09:58:34 2012 +0100

    Fix compile error with recent GTK due to deprecated function

 src/gui/main_window.cpp |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/gui/main_window.cpp b/src/gui/main_window.cpp
index 4426b25..5fed9dd 100644
--- a/src/gui/main_window.cpp
+++ b/src/gui/main_window.cpp
@@ -702,7 +702,7 @@ static void on_cleared_call_cb (boost::shared_ptr<Ekiga::CallManager>  /*manager
 
   /* Hide call window */
   call_window = GnomeMeeting::Process ()->GetCallWindow ();
-  gtk_widget_hide_all (call_window);
+  gtk_widget_hide (call_window);
 }
 
 static void on_cleared_incoming_call_cb (std::string /*reason*/,
@@ -726,7 +726,7 @@ static void on_cleared_incoming_call_cb (std::string /*reason*/,
 
   /* Hide call window */
   call_window = GnomeMeeting::Process ()->GetCallWindow ();
-  gtk_widget_hide_all (call_window);
+  gtk_widget_hide (call_window);
 }