Add missing OCR migration.

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

mayan/apps/ocr/migrations/0005_auto_20170630_1846.py

@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.7 on 2017-06-30 18:46
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('ocr', '0004_documenttypesettings'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='documentversionocrerror',
+            name='document_version',
+            field=models.ForeignKey(
+                on_delete=django.db.models.deletion.CASCADE,
+                related_name='ocr_errors', to='documents.DocumentVersion',
+                verbose_name='Document version'
+            ),
+        ),
+    ]