fixup caching problem with server variable

darcs-hash:20080602192242-84dde-e023e8f328ec7f6c283a0f436b2dd577659d9e10.gz

lib/omb.php

@@ -47,7 +47,7 @@ function omb_oauth_consumer() {
 
 function omb_oauth_server() {
 	static $server = null;
-	if ($server) {
+	if (!$server) {
 		$server = new OAuthServer(new LaconicaOAuthStore());
 	}
 	return $server;