remove almost all of the checks of the result from ast_strdupa() or alloca().

As it turns out, all of these checks were useless, because alloca will never
return NULL.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@26451 65c4cc65-6c06-0410-ace0-fbb531ad65f3

netsock.c

@@ -186,10 +186,6 @@ struct ast_netsock *ast_netsock_bind(struct ast_netsock_list *list, struct io_co
 	sin.sin_family = AF_INET;
 	sin.sin_port = htons(defaultport);
 	tmp = ast_strdupa(bindinfo);
-	if (!tmp) {
-		ast_log(LOG_WARNING, "Out of memory!\n");
-		return NULL;
-	}
 
 	host = strsep(&tmp, ":");
 	port = tmp;