Workaround <linux/xattr.h> vs <sys/xattr.h> defines conflict:
When including both, the latter must be included first.
Move "qemu-xattr.h" (which includes <sys/xattr.h> to the front,
before <sys/capability.h> (which includes <linux/xattr.h>.

--- qemu-7.2.10/fsdev/virtfs-proxy-helper.c.orig	2024-03-25 22:16:49.552502269 +0100
+++ qemu-7.2.10/fsdev/virtfs-proxy-helper.c	2024-03-25 22:36:50.349330328 +0100
@@ -10,6 +10,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/xattr.h"
 #include <glib/gstdio.h>
 #include <sys/resource.h>
 #include <getopt.h>
@@ -23,7 +24,6 @@
 #endif
 #include <cap-ng.h>
 #include "qemu/sockets.h"
-#include "qemu/xattr.h"
 #include "9p-iov-marshal.h"
 #include "hw/9pfs/9p-proxy.h"
 #include "hw/9pfs/9p-util.h"