update osm2pgsql (coastline typo)

diff --git a/osm2pgsql b/osm2pgsql
index d2afef62a4a0d72c547103392cffcdda25687c6e..07db15e5e55eca63971a014ddb08bc47cd89f762 160000 (submodule)
--- a/osm2pgsql
+++ b/osm2pgsql
@@ -1 +1 @@
-Subproject commit d2afef62a4a0d72c547103392cffcdda25687c6e
+Subproject commit 07db15e5e55eca63971a014ddb08bc47cd89f762