Fix call to non-existing ArcanistAliasEffect::EFFECT_CONFIGURATION in ArcanistAliasEngine

Summary:
`ArcanistAliasEffect::EFFECT_CONFIGURATION` does not exist.
Probably `ArcanistAliasEffect::EFFECT_MISCONFIGURATION` was meant, given the message it sets.

Test Plan: Carefully read the code.

Reviewers: O1 Blessed Committers, avivey

Reviewed By: O1 Blessed Committers, avivey

Subscribers: tobiaswiese, valerio.bozzolan, Matthew, Cigaryno

Differential Revision: https://we.phorge.it/D25652

src/toolset/ArcanistAliasEngine.php

@@ -67,7 +67,8 @@ final class ArcanistAliasEngine
       // This alias is not defined properly, so we're going to ignore it.
       unset($aliases[$key]);
 
-      $results[] = $this->newEffect(ArcanistAliasEffect::EFFECT_CONFIGURATION)
+      $results[] =
+        $this->newEffect(ArcanistAliasEffect::EFFECT_MISCONFIGURATION)
         ->setMessage(
           pht(
             'Configuration source ("%s") defines an invalid alias, which '.