Update gnulib and paxutils from upstream

diff --git a/gnulib b/gnulib
index 30820c2d7c9f04a6a0aa6cdaaea09c9672f502a1..783f2967e23e6481941c1bf1e73897c66cb4195a 160000 (submodule)
--- a/gnulib
+++ b/gnulib
@@ -1 +1 @@
-Subproject commit 30820c2d7c9f04a6a0aa6cdaaea09c9672f502a1
+Subproject commit 783f2967e23e6481941c1bf1e73897c66cb4195a

diff --git a/paxutils b/paxutils
index 56939847bfa9dbfacb7aebd26f48ea8a64dd8b1d..a3b0c7b919c1faf5d8797d1c26fd632823b7e54e 160000 (submodule)
--- a/paxutils
+++ b/paxutils
@@ -1 +1 @@
-Subproject commit 56939847bfa9dbfacb7aebd26f48ea8a64dd8b1d
+Subproject commit a3b0c7b919c1faf5d8797d1c26fd632823b7e54e