Fixed django#18107 -- Replaced a deprecated import path for GeoIP in …

…docs. Thanks jonash for the report.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@17902 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/ref/contrib/gis/geoip.txt

@@ -40,7 +40,7 @@ Example
 Assuming you have the GeoIP C library installed, here is an example of its
 usage::
 
-     >>> from django.contrib.gis.utils import GeoIP
+     >>> from django.contrib.gis.geoip import GeoIP
      >>> g = GeoIP()
      >>> g.country('google.com')
      {'country_code': 'US', 'country_name': 'United States'}