Cleanup for #3010 - added spaces, thanks to @annando .

Signed-off-by: Roland Häder <roland@mxchange.org>

mod/wall_attach.php

@@ -55,7 +55,7 @@ function wall_attach_post(&$a) {
 					intval($contact_id),
 					intval($page_owner_uid)
 				);
-				if(dbm::is_result($r)) {
+				if (dbm::is_result($r)) {
 					$can_post = true;
 					$visitor = $contact_id;
 				}