google.inc needs some watchdog love

Ideally this should return the string returned by google as to WHY it failed, but the following is far better than silence.

diff -r 917ae7c81790 location/geocoding/google.inc
--- a/location/geocoding/google.inc     Mon Sep 27 20:05:31 2010 -0400
+++ b/location/geocoding/google.inc     Tue Sep 28 13:55:26 2010 -0400
@@ -130,6 +130,7 @@
   preg_match('/<code>(.*)<\/code>/', $http_reply->data, $status_code_match);
   $status_code = $status_code_match[1];
   if ($status_code != 200) {
+    watchdog('location', t('Google geocoding returned: %status_code', array('%status_code' => $status_code)));
     return NULL;
   }
 
@@ -137,6 +138,7 @@
   preg_match('/Accuracy="([0-9])"/', $http_reply->data, $accuracy_code_match);
   $accuracy_code = $accuracy_code_match[1];
   if ($accuracy_code < variable_get('location_geocode_' . $location['country'] . 'google_accuracy_code', variable_get('location_geocode_google_minimum_accuracy', '3'))) {
+    watchdog('location',t('Google geocoding accuracy: %accuracy_code', array('%accuracy_code' => $accuracy_code)));
     return NULL;
   }