wrong fix to avoid seg. The threadstate needs to be moved to the private so…

wrong fix to avoid seg.  The threadstate needs to be moved to the private so that it's not dependent on the switch_core_session_t like in python.

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@6870 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/switch_cpp.cpp

@@ -326,7 +326,7 @@ int CoreSession::originate(CoreSession *a_leg_session,
 	// no valid channel.  since the threadstate is stored in the channel, and there 
 	// is none, if we try to call begin_alllow_threads it will fail miserably.
 	// use the 'a leg session' to do the thread swapping stuff.
-    a_leg_session->begin_allow_threads();
+    if (a_leg_session) a_leg_session->begin_allow_threads();
 
 	if (switch_core_new_memory_pool(&pool) != SWITCH_STATUS_SUCCESS) {
 		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "OH OH no pool\n");
@@ -347,11 +347,11 @@ int CoreSession::originate(CoreSession *a_leg_session,
 
 	}
 
-    a_leg_session->end_allow_threads();
+    if (a_leg_session) a_leg_session->end_allow_threads();
 	return SWITCH_STATUS_SUCCESS;
 
  failed:
-    a_leg_session->end_allow_threads();
+    if (a_leg_session) a_leg_session->end_allow_threads();
 	return SWITCH_STATUS_FALSE;
 }