[ekiga/v4_0] Desactivate the recently introduced NullAudio ptlib's device for audio input too

[Eugen Dedu <ededu src gnome org>]

commit 10d5b132c10dc9eaf835f574c44f7c5b918ba6e5
Author: Eugen Dedu <Eugen Dedu pu-pm univ-fcomte fr>
Date:   Sun Dec 16 21:02:09 2012 +0100

    Desactivate the recently introduced NullAudio ptlib's device for audio input too

 .../components/ptlib/audioinput-manager-ptlib.cpp  |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/lib/engine/components/ptlib/audioinput-manager-ptlib.cpp b/lib/engine/components/ptlib/audioinput-manager-ptlib.cpp
index 02b1e44..6557e6a 100644
--- a/lib/engine/components/ptlib/audioinput-manager-ptlib.cpp
+++ b/lib/engine/components/ptlib/audioinput-manager-ptlib.cpp
@@ -71,7 +71,8 @@ void GMAudioInputManager_ptlib::get_devices(std::vector <Ekiga::AudioInputDevice
     device.source = sources_array[i];
 
     if ((device.source != "EKIGA") &&
-        (device.source != "WAVFile")) {
+        (device.source != "WAVFile") &&
+        (device.source != "NullAudio")) {
       audio_devices = PSoundChannel::GetDeviceNames (device.source, PSoundChannel::Recorder);
       devices_array = audio_devices.ToCharArray ();