[gstreamermm] Fix the build with GCC 4.5.

[José Alburquerque <jaalburqu src gnome org>]

commit 8d104e5727b10a2de2b1d6b59605d81d9badee69
Author: José Alburquerque <jaalburqu svn gnome org>
Date:   Fri Aug 6 17:13:00 2010 -0400

    	Fix the build with GCC 4.5.
    
    	* gstreamer/src/message.ccg (wrap): Store the message type as a
    	GstMixerMessage type for testing in the second switch clause to avoid
    	a compiler warning.

 ChangeLog                 |    8 ++++++++
 gstreamer/src/message.ccg |    7 +++++--
 2 files changed, 13 insertions(+), 2 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 86e0c26..7c044fb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,13 @@
 2010-08-06  José Alburquerque  <jaalburqu svn gnome org>
 
+	Fix the build with GCC 4.5.
+
+	* gstreamer/src/message.ccg (wrap): Store the message type as a
+	GstMixerMessage type for testing in the second switch clause to avoid
+	a compiler warning.
+
+2010-08-06  José Alburquerque  <jaalburqu svn gnome org>
+
 	Mixer: Use correct syntax for object construction.
 
 	* gstreamer/src/mixer.ccg (get_volume): Use ArrayHandle<>() for
diff --git a/gstreamer/src/message.ccg b/gstreamer/src/message.ccg
index 31f1aa6..ffe49c9 100644
--- a/gstreamer/src/message.ccg
+++ b/gstreamer/src/message.ccg
@@ -969,7 +969,10 @@ Glib::RefPtr<Gst::Message> Message::wrap(GstMessage* message, bool take_copy)
   if(!message)
     return result;
 
-  if(gst_mixer_message_get_type(message) == GST_MIXER_MESSAGE_INVALID)
+  GstMixerMessageType const mixer_message_type =
+    gst_mixer_message_get_type(message);
+
+  if(mixer_message_type == GST_MIXER_MESSAGE_INVALID)
   {
     switch(GST_MESSAGE_TYPE(message))
     {
@@ -1056,7 +1059,7 @@ Glib::RefPtr<Gst::Message> Message::wrap(GstMessage* message, bool take_copy)
   }
   else
   {
-    switch(GST_MESSAGE_TYPE(message))
+    switch(mixer_message_type)
     {
       case GST_MIXER_MESSAGE_MUTE_TOGGLED:
         wrapper = new Gst::MessageMixerMuteToggled(message);