Merge pull request #5 from acseo/v3.1

fix incompatibility extension

Author: hmarin

Form/Extension/FieldTypeHelpExtension.php

@@ -14,7 +14,7 @@
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\Form\FormInterface;
 use Symfony\Component\Form\FormView;
-use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
 
 /**
  * Class FieldTypeHelpExtension

Form/Extension/FieldTypePictoExtension.php

@@ -14,7 +14,7 @@
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\Form\FormInterface;
 use Symfony\Component\Form\FormView;
-use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
 
 /**
  * Class FieldTypePictoExtension

Form/Extension/FieldTypePopinExtension.php

@@ -14,7 +14,7 @@
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\Form\FormInterface;
 use Symfony\Component\Form\FormView;
-use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
 
 
 /**