minor symfony#11215 [Security] Add missing dot at the end of an exception message (rybakit)

This PR was merged into the 2.6-dev branch.

Discussion
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[Security] Add missing dot at the end of an exception message

| Q             | A
| ------------- | ---
| Fixed tickets | -
| License       | MIT

Commits
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8e1f978 Add missing dot at the end of an exception message

Author: fabpot

src/Symfony/Component/Security/Core/Authentication/Provider/UserAuthenticationProvider.php

@@ -70,7 +70,7 @@ public function authenticate(TokenInterface $token)
             $user = $this->retrieveUser($username, $token);
         } catch (UsernameNotFoundException $notFound) {
             if ($this->hideUserNotFoundExceptions) {
-                throw new BadCredentialsException('Bad credentials', 0, $notFound);
+                throw new BadCredentialsException('Bad credentials.', 0, $notFound);
             }
             $notFound->setUsername($username);
 
@@ -87,7 +87,7 @@ public function authenticate(TokenInterface $token)
             $this->userChecker->checkPostAuth($user);
         } catch (BadCredentialsException $e) {
             if ($this->hideUserNotFoundExceptions) {
-                throw new BadCredentialsException('Bad credentials', 0, $e);
+                throw new BadCredentialsException('Bad credentials.', 0, $e);
             }
 
             throw $e;