Update gvc

diff --git a/src/gvc b/src/gvc
index 03894efbcd010faf53bbc6e27256d27485f721b8..11e46cd40dc29d7517b8cc65c9a91a6f17535019 160000 (submodule)
--- a/src/gvc
+++ b/src/gvc
@@ -1 +1 @@
-Subproject commit 03894efbcd010faf53bbc6e27256d27485f721b8
+Subproject commit 11e46cd40dc29d7517b8cc65c9a91a6f17535019