Fix CS

Author: fabpot

AbstractType.php

@@ -52,7 +52,7 @@ public function configureOptions(OptionsResolver $resolver)
      */
     public function getBlockPrefix()
     {
-        return StringUtil::fqcnToBlockPrefix(\get_class($this)) ?: '';
+        return StringUtil::fqcnToBlockPrefix(static::class) ?: '';
     }
 
     /**

Extension/Core/Type/ChoiceType.php

@@ -273,7 +273,7 @@ public function configureOptions(OptionsResolver $resolver)
 
             // Set by the user
             if (true !== $choicesAsValues) {
-                throw new \RuntimeException(sprintf('The "choices_as_values" option of the %s should not be used. Remove it and flip the contents of the "choices" option instead.', \get_class($this)));
+                throw new \RuntimeException(sprintf('The "choices_as_values" option of the %s should not be used. Remove it and flip the contents of the "choices" option instead.', static::class));
             }
 
             @trigger_error('The "choices_as_values" option is deprecated since Symfony 3.1 and will be removed in 4.0. You should not use it anymore.', E_USER_DEPRECATED);