Remove unnecessary usleep() from a couple of module unload callbacks.

In passing, also tweak cdr_unregister() to hold the list lock a bit less time.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@202109 65c4cc65-6c06-0410-ace0-fbb531ad65f3

cdr/cdr_pgsql.c

@@ -331,10 +331,9 @@ static int pgsql_log(struct ast_cdr *cdr)
 static int unload_module(void)
 {
 	struct columns *current;
+
 	ast_cdr_unregister(name);
 
-	/* Give all threads time to finish */
-	usleep(1);
 	PQfinish(conn);
 
 	if (pghostname)