coreutils: update to 9.4

patches were copied from CygWin.

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

@@ -0,0 +1,20 @@
+--- origsrc/src/chmod.c	2023-08-29 05:39:27.000000000 -0600
++++ src/src/chmod.c	2023-09-09 20:16:41.171411900 -0600
+@@ -87,7 +87,7 @@ static enum Verbosity verbosity = V_off;
+ 
+ /* 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;
+ 
+ /* For long options that have no equivalent short option, use a
+    non-character as a pseudo short option, starting with CHAR_MAX + 1.  */
+@@ -553,7 +553,7 @@ 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"),