Add missing dots at the end of exception messages

Author: fabpot

Store/PdoStore.php

@@ -87,7 +87,7 @@ public function __construct($connOrDsn, array $options = [], float $gcProbabilit
 
         if ($connOrDsn instanceof \PDO) {
             if (\PDO::ERRMODE_EXCEPTION !== $connOrDsn->getAttribute(\PDO::ATTR_ERRMODE)) {
-                throw new InvalidArgumentException(sprintf('"%s" requires PDO error mode attribute be set to throw Exceptions (i.e. $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION))', __METHOD__));
+                throw new InvalidArgumentException(sprintf('"%s" requires PDO error mode attribute be set to throw Exceptions (i.e. $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION)).', __METHOD__));
             }
 
             $this->conn = $connOrDsn;