update osm2pgsql (gazetteer output tests)

diff --git a/osm2pgsql b/osm2pgsql
index 5f3f736348e0e76b0fb0da22aa55c7aa75ee517e..cb7655a4ff7df7c93eb444e36035701b92b2ec35 160000 (submodule)
--- a/osm2pgsql
+++ b/osm2pgsql
@@ -1 +1 @@
-Subproject commit 5f3f736348e0e76b0fb0da22aa55c7aa75ee517e
+Subproject commit cb7655a4ff7df7c93eb444e36035701b92b2ec35