minor symfony#28670 Fix a typo in error messages (AchillesKal)

This PR was merged into the 2.8 branch.

Discussion
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Fix a typo in error messages

| Q             | A
| ------------- | ---
| Branch?       | 2.8
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | symfony#28667
| License       | MIT
| Doc PR        | no

Fixes a typo in some error messages. Configurators should be Authenticators.

Commits
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07b67ec Fix a typo in error messages

Author: Robin Chalas

src/Symfony/Bundle/SecurityBundle/DependencyInjection/Security/Factory/GuardAuthenticationFactory.php

@@ -112,6 +112,6 @@ private function determineEntryPoint($defaultEntryPointId, array $config)
         }
 
         // we have multiple entry points - we must ask them to configure one
-        throw new \LogicException(sprintf('Because you have multiple guard configurators, you need to set the "guard.entry_point" key to one of your configurators (%s)', implode(', ', $authenticatorIds)));
+        throw new \LogicException(sprintf('Because you have multiple guard authenticators, you need to set the "guard.entry_point" key to one of your authenticators (%s)', implode(', ', $authenticatorIds)));
     }
 }

src/Symfony/Component/Security/Guard/Firewall/GuardAuthenticationListener.php

@@ -91,7 +91,7 @@ private function executeGuardAuthenticator($uniqueGuardKey, GuardAuthenticatorIn
         $request = $event->getRequest();
         try {
             if (null !== $this->logger) {
-                $this->logger->debug('Calling getCredentials() on guard configurator.', array('firewall_key' => $this->providerKey, 'authenticator' => \get_class($guardAuthenticator)));
+                $this->logger->debug('Calling getCredentials() on guard authenticator.', array('firewall_key' => $this->providerKey, 'authenticator' => \get_class($guardAuthenticator)));
             }
 
             // allow the authenticator to fetch authentication info from the request