[ekiga] Reversed a test to make STUN work again

[Julien Puydt <jpuydt src gnome org>]

commit 50a2087277a374b160729784aebbc625cd274978
Author: Julien Puydt <jpuydt free fr>
Date:   Mon Feb 11 11:35:51 2013 +0100

    Reversed a test to make STUN work again

 lib/engine/components/opal/opal-call-manager.cpp |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/lib/engine/components/opal/opal-call-manager.cpp b/lib/engine/components/opal/opal-call-manager.cpp
index d1457bb..08a19fb 100644
--- a/lib/engine/components/opal/opal-call-manager.cpp
+++ b/lib/engine/components/opal/opal-call-manager.cpp
@@ -569,7 +569,7 @@ void CallManager::set_stun_server (const std::string & server)
 void CallManager::set_stun_enabled (bool enabled)
 {
   stun_enabled = enabled;
-  if (stun_enabled && stun_thread) {
+  if (stun_enabled && !stun_thread) {
 
     // Ready
     stun_thread = new StunDetector (stun_server, *this, queue);