updated pjsip stack
There is still a bug on incoming calls when buiding for android
diff --git a/jni/pjproject-android/pjsip-apps/src/pjsystest/gui.h b/jni/pjproject-android/pjsip-apps/src/pjsystest/gui.h
index ae7d8f4..5d3631d 100644
--- a/jni/pjproject-android/pjsip-apps/src/pjsystest/gui.h
+++ b/jni/pjproject-android/pjsip-apps/src/pjsystest/gui.h
@@ -1,4 +1,4 @@
-/* $Id: gui.h 3553 2011-05-05 06:14:19Z nanang $ */
+/* $Id$ */
 /* 
  * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
  *