update osm2pgsql (for cemeteries)

diff --git a/osm2pgsql b/osm2pgsql
index 5f0cc512e6fe192fc1c4754eed77b142663e38de..3d839831c83b9c9ce04bdd039f102df73beb7d88 160000 (submodule)
--- a/osm2pgsql
+++ b/osm2pgsql
@@ -1 +1 @@
-Subproject commit 5f0cc512e6fe192fc1c4754eed77b142663e38de
+Subproject commit 3d839831c83b9c9ce04bdd039f102df73beb7d88