Update libpyva to 7af06c821c6ba0e8aa4645a3180180b879576dd9

diff --git a/pyva/pyva-native b/pyva/pyva-native
index fc8f03599b2609e239c7571b366968824676a0ba..7af06c821c6ba0e8aa4645a3180180b879576dd9 160000 (submodule)
--- a/pyva/pyva-native
+++ b/pyva/pyva-native
@@ -1 +1 @@
-Subproject commit fc8f03599b2609e239c7571b366968824676a0ba
+Subproject commit 7af06c821c6ba0e8aa4645a3180180b879576dd9