Disable address autocomplete where required (nominatim)

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/service/geospatial/mimirsbrunn.ex

@@ -32,6 +32,8 @@ defmodule Mobilizon.Service.Geospatial.Mimirsbrunn do
            HTTPoison.get(url, headers),
          {:ok, %{"features" => features}} <- Poison.decode(body) do
       process_data(features)
+    else
+      _ -> []
     end
   end
 
@@ -50,6 +52,8 @@ defmodule Mobilizon.Service.Geospatial.Mimirsbrunn do
            HTTPoison.get(url, headers),
          {:ok, %{"features" => features}} <- Poison.decode(body) do
       process_data(features)
+    else
+      _ -> []
     end
   end