Update lib to version 6.12.6

diff --git a/lib b/lib
index e157947b6ab3ff565fe5beabb78324820770c2a9..b008d894933fd9671e194eb00fedbd66f7964bf4 160000 (submodule)
--- a/lib
+++ b/lib
@@ -1 +1 @@
-Subproject commit e157947b6ab3ff565fe5beabb78324820770c2a9
+Subproject commit b008d894933fd9671e194eb00fedbd66f7964bf4