Don't use polygon but polygon_geojson for nominatim queries

According to osm this is the way to go.
See https://trac.openstreetmap.org/ticket/5319 for reference.

Change-Id: I77948719a0e5d2598517c6a3c84d73b589a3a03b
Reviewed-by: Alex Blasche <alexander.blasche@theqtcompany.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/plugins/geoservices/osm/qgeocodingmanagerengineosm.cpp b/src/plugins/geoservices/osm/qgeocodingmanagerengineosm.cpp
index 3278939d..4ddc8a79 100644
--- a/src/plugins/geoservices/osm/qgeocodingmanagerengineosm.cpp
+++ b/src/plugins/geoservices/osm/qgeocodingmanagerengineosm.cpp
@@ -109,7 +109,7 @@ QGeoCodeReply *QGeoCodingManagerEngineOsm::geocode(const QString &address, int l
         query.addQueryItem(QStringLiteral("viewbox"), boundingBoxToLtrb(bounds));
         query.addQueryItem(QStringLiteral("bounded"), QStringLiteral("1"));
     }
-    query.addQueryItem(QStringLiteral("polygon"), QStringLiteral("1"));
+    query.addQueryItem(QStringLiteral("polygon_geojson"), QStringLiteral("1"));
     query.addQueryItem(QStringLiteral("addressdetails"), QStringLiteral("1"));
     if (limit != -1)
         query.addQueryItem(QStringLiteral("limit"), QString::number(limit));