chore: Fix missing closing parenthesis in comment

Co-authored-by: Git'Fellow <12234510+solracsf@users.noreply.github.com>
Signed-off-by: Côme Chilliet <91878298+come-nc@users.noreply.github.com>

lib/private/Share20/Manager.php

@@ -1071,7 +1071,7 @@ protected function promoteReshares(IShare $share): void {
 
 		foreach ($reshareRecords as $child) {
 			try {
-				/* Check if the share is still valid (means the resharer still has access to the file through another mean */
+				/* Check if the share is still valid (means the resharer still has access to the file through another mean) */
 				$this->generalCreateChecks($child);
 			} catch (GenericShareException $e) {
 				/* The check is invalid, promote it to a direct share from the sharer of parent share */