Review updates

Documentation and yet another use statement

doc/Developer-How-To-Move-Classes-to-src.md

@@ -80,7 +80,7 @@ if (\DBM::is_result($r)) {
 ````php
 namespace Friendica\Core;
 
-use \dbm;
+use Friendica\Database\DBM;
 
 if (DBM::is_result($r)) {
     ...

doc/autoloader.md

@@ -104,7 +104,7 @@ class Dfrn {
 
 mail_post($a){
 	...
-	Friendica\DFRN::mail($item, $owner);
+	Friendica\Protocol\DFRN::mail($item, $owner);
 	...
 }
 ```

include/api.php

@@ -12,6 +12,7 @@ use Friendica\Core\Config;
 use Friendica\Core\NotificationsManager;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
+use Friendica\Protocol\Diaspora;
 
 require_once 'include/HTTPExceptions.php';
 require_once 'include/bbcode.php';