[ekiga] Service: The getter should be a const method.

[Damien Sandras <dsandras src gnome org>]

commit 1c6c162b9d620b255161094ebd768d3fc5c3e906
Author: Damien Sandras <dsandras seconix com>
Date:   Tue Jan 6 18:24:53 2015 +0100

    Service: The getter should be a const method.

 lib/engine/framework/services.cpp |    4 ++--
 lib/engine/framework/services.h   |    4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/lib/engine/framework/services.cpp b/lib/engine/framework/services.cpp
index f56b5a0..426fbfd 100644
--- a/lib/engine/framework/services.cpp
+++ b/lib/engine/framework/services.cpp
@@ -158,11 +158,11 @@ Ekiga::ServiceCore::close ()
 }
 
 Ekiga::ServicePtr
-Ekiga::ServiceCore::get (const std::string name)
+Ekiga::ServiceCore::get (const std::string name) const
 {
   ServicePtr result;
 
-  for (services_type::iterator iter = services.begin ();
+  for (services_type::const_iterator iter = services.begin ();
        iter != services.end () && !result;
        iter++)
     if (name == (*iter)->get_name ()) {
diff --git a/lib/engine/framework/services.h b/lib/engine/framework/services.h
index 9fbf167..72399cb 100644
--- a/lib/engine/framework/services.h
+++ b/lib/engine/framework/services.h
@@ -95,10 +95,10 @@ namespace Ekiga
 
     bool add (ServicePtr service);
 
-    ServicePtr get (const std::string name);
+    ServicePtr get (const std::string name) const;
 
     template<typename T>
-    boost::shared_ptr<T> get (const std::string name)
+    boost::shared_ptr<T> get (const std::string name) const
     { return boost::dynamic_pointer_cast<T> (get (name)); }
 
     void close ();