coreutils: update to 9.4

patches were copied from CygWin.

coreutils/coreutils-9.4-src-chcon.c.patch

@@ -0,0 +1,20 @@
+--- origsrc/src/chcon.c	2023-07-05 05:09:55.000000000 -0600
++++ src/src/chcon.c	2023-09-09 20:07:55.163173700 -0600
+@@ -47,7 +47,7 @@ static bool verbose;
+ 
+ /* Pointer to the device and inode numbers of '/', when --recursive.
+    Otherwise nullptr.  */
+-static struct dev_ino *root_dev_ino;
++static struct root_dev_ino *root_dev_ino;
+ 
+ /* The name of the context file is being given. */
+ static char const *specified_context;
+@@ -571,7 +571,7 @@ main (int argc, char **argv)
+ 
+   if (recurse && preserve_root)
+     {
+-      static struct dev_ino dev_ino_buf;
++      static struct root_dev_ino dev_ino_buf;
+       root_dev_ino = get_root_dev_ino (&dev_ino_buf);
+       if (root_dev_ino == nullptr)
+         die (EXIT_FAILURE, errno, _("failed to get attributes of %s"),