update modules

diff --git a/modules/data-structures b/modules/data-structures
index e6d20bcb851c1a37db2bcfddd149062ecade98a2..e17c15f4a0a433ade52ce80733cc2b5286703776 160000 (submodule)
--- a/modules/data-structures
+++ b/modules/data-structures
@@ -1 +1 @@
-Subproject commit e6d20bcb851c1a37db2bcfddd149062ecade98a2
+Subproject commit e17c15f4a0a433ade52ce80733cc2b5286703776