[1.4.x] Fixed #18212 -- Standardized arguments of GenericIPAddressField

Unlike other model fields, the newly introduced (1.4)
GenericIPAddressField did not accept verbose_name and name as the
first positional arguments. This commit fixes it.
Thanks Dan McGee for the report and the patch.

Backport of 306d34873c from master.

tests/regressiontests/model_fields/tests.py

@@ -11,7 +11,7 @@ from django.db.models.fields.files import FieldFile
 from django.utils import unittest
 
 from .models import (Foo, Bar, Whiz, BigD, BigS, Image, BigInt, Post,
-    NullBooleanModel, BooleanModel, Document, RenamedField)
+    NullBooleanModel, BooleanModel, Document, RenamedField, VerboseNameField)
 
 # If PIL available, do these tests.
 if Image:
@@ -65,6 +65,14 @@ class BasicFieldTests(test.TestCase):
         self.assertTrue(hasattr(instance, 'get_fieldname_display'))
         self.assertFalse(hasattr(instance, 'get_modelname_display'))
 
+    def test_field_verbose_name(self):
+        m = VerboseNameField
+        for i in range(1, 23):
+            self.assertEqual(m._meta.get_field('field%d' % i).verbose_name,
+                    'verbose field%d' % i)
+
+        self.assertEqual(m._meta.get_field('id').verbose_name, 'verbose pk')
+
 class DecimalFieldTests(test.TestCase):
     def test_to_python(self):
         f = models.DecimalField(max_digits=4, decimal_places=2)