[ekiga] Fixed GCC compilation.

[Damien Sandras <dsandras src gnome org>]

commit 8301dcd5a1ab4c20b442b276d7d9607e0c5b828c
Author: Damien Sandras <dsandras seconix com>
Date:   Sun Sep 20 16:20:49 2015 +0200

    Fixed GCC compilation.

 lib/engine/presence/uri-presentity.cpp  |    1 +
 plugins/avahi/avahi-heap.cpp            |    1 +
 plugins/evolution/evolution-contact.cpp |    1 +
 3 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/lib/engine/presence/uri-presentity.cpp b/lib/engine/presence/uri-presentity.cpp
index d721760..391e3ff 100644
--- a/lib/engine/presence/uri-presentity.cpp
+++ b/lib/engine/presence/uri-presentity.cpp
@@ -33,6 +33,7 @@
  */
 
 #include "uri-presentity.h"
+#include <iostream>
 
 /* at one point we will return a smart pointer on this... and if we don't use
  * a false smart pointer, we will crash : the reference count isn't embedded!
diff --git a/plugins/avahi/avahi-heap.cpp b/plugins/avahi/avahi-heap.cpp
index 1c2c41f..2b98a5f 100644
--- a/plugins/avahi/avahi-heap.cpp
+++ b/plugins/avahi/avahi-heap.cpp
@@ -34,6 +34,7 @@
  *
  */
 
+#include <iostream>
 #include <cstdlib>
 #include <iostream>
 #include <glib/gi18n.h>
diff --git a/plugins/evolution/evolution-contact.cpp b/plugins/evolution/evolution-contact.cpp
index 5b74440..b531e2a 100644
--- a/plugins/evolution/evolution-contact.cpp
+++ b/plugins/evolution/evolution-contact.cpp
@@ -35,6 +35,7 @@
  */
 
 #include <glib/gi18n.h>
+#include <iostream>
 
 #include "evolution-contact.h"
 #include "form-request-simple.h"