Merge pull request #12915 from nupplaphil/bug/baseurl_profile

Force correct string casting for BaseUrl

src/Model/Profile.php

@@ -334,7 +334,7 @@ class Profile
 		if (!$local_user_is_self) {
 			if (!$visitor_is_authenticated) {
 				// Remote follow is only available for local profiles
-				if (!empty($profile['nickname']) && strpos($profile_url, DI::baseUrl()) === 0) {
+				if (!empty($profile['nickname']) && strpos($profile_url, (string)DI::baseUrl()) === 0) {
 					$follow_link = 'profile/' . $profile['nickname'] . '/remote_follow';
 				}
 			} else {