updated Maven submodule reference

diff --git a/maven b/maven
index 65a34f5b5c321b0050618c75667ce28f61db1eeb..1615ee27e519db6c811ad124f2d7ecf5636493ac 160000 (submodule)
--- a/maven
+++ b/maven
@@ -1 +1 @@
-Subproject commit 65a34f5b5c321b0050618c75667ce28f61db1eeb
+Subproject commit 1615ee27e519db6c811ad124f2d7ecf5636493ac