update osm2pgsql

diff --git a/osm2pgsql b/osm2pgsql
index 00fb2505c1548a7403ce01f69e891447124235c3..16873879ba3b9d5572dcde628679bc2e448d5e86 160000 (submodule)
--- a/osm2pgsql
+++ b/osm2pgsql
@@ -1 +1 @@
-Subproject commit 00fb2505c1548a7403ce01f69e891447124235c3
+Subproject commit 16873879ba3b9d5572dcde628679bc2e448d5e86