Update submodule `extfs.d`

diff --git a/tests/extfs.d b/tests/extfs.d
index 908fee3bf286199e2664f13b9767be0152de161a..47eb7725095cb63abdb7a1fe5bbc96539b2d97d7 160000 (submodule)
--- a/tests/extfs.d
+++ b/tests/extfs.d
@@ -1 +1 @@
-Subproject commit 908fee3bf286199e2664f13b9767be0152de161a
+Subproject commit 47eb7725095cb63abdb7a1fe5bbc96539b2d97d7