build: Update gvc subproject

diff --git a/subprojects/gvc b/subprojects/gvc
index 01e1fde6e5cc416d4fe7b1d8a7afb97455210e3a..3f71aac04ba98c4fef815c3a23b00a9eec02ca4d 160000 (submodule)
--- a/subprojects/gvc
+++ b/subprojects/gvc
@@ -1 +1 @@
-Subproject commit 01e1fde6e5cc416d4fe7b1d8a7afb97455210e3a
+Subproject commit 3f71aac04ba98c4fef815c3a23b00a9eec02ca4d