Similar to r143204, masquerade the channel in the case of Park being called from AGI.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@146923 65c4cc65-6c06-0410-ace0-fbb531ad65f3

include/asterisk/features.h

@@ -33,6 +33,8 @@
 #define FEATURE_EXTEN_LEN	32
 #define FEATURE_MOH_LEN		80  /* same as MAX_MUSICCLASS from channel.h */
 
+#define PARK_APP_NAME "Park"
+
 /*! \brief main call feature structure */
 
 enum {