Manually add revision 138887 from trunk to the 1.6.0

branch. I had misunderstood the policy for when to merge
to 1.6.0 since it moved to rc status.



git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.0@138890 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_chanspy.c

@@ -772,6 +772,8 @@ exit:
 
 	ast_channel_setoption(chan, AST_OPTION_TXGAIN, &zero_volume, sizeof(zero_volume), 0);
 
+	ast_mutex_lock(&chanspy_ds.lock);
+	ast_mutex_unlock(&chanspy_ds.lock);
 	ast_mutex_destroy(&chanspy_ds.lock);
 
 	return res;