tree-wide: Sort includes

This was done by running a locally built clang-format with
https://github.com/llvm/llvm-project/pull/137617 and
https://github.com/llvm/llvm-project/pull/137840 applied on all .c
and .h files.

src/machine/image-varlink.c

@@ -3,8 +3,8 @@
 #include "sd-json.h"
 #include "sd-varlink.h"
 
-#include "bus-polkit.h"
 #include "btrfs-util.h"
+#include "bus-polkit.h"
 #include "discover-image.h"
 #include "fd-util.h"
 #include "fileio.h"
@@ -13,8 +13,8 @@
 #include "io-util.h"
 #include "json-util.h"
 #include "machine.h"
-#include "machined.h"
 #include "machine-pool.h"
+#include "machined.h"
 #include "operation.h"
 #include "process-util.h"
 #include "string-util.h"

src/machine/machine-dbus.c

@@ -21,8 +21,8 @@
 #include "fs-util.h"
 #include "in-addr-util.h"
 #include "local-addresses.h"
-#include "machine-dbus.h"
 #include "machine.h"
+#include "machine-dbus.h"
 #include "machined.h"
 #include "mkdir.h"
 #include "mount-util.h"

src/machine/machine-varlink.c

@@ -11,8 +11,8 @@
 #include "fd-util.h"
 #include "hostname-util.h"
 #include "json-util.h"
-#include "machine-varlink.h"
 #include "machine.h"
+#include "machine-varlink.h"
 #include "machined.h"
 #include "mount-util.h"
 #include "operation.h"

src/machine/machine.c

@@ -1,8 +1,8 @@
 /* SPDX-License-Identifier: LGPL-2.1-or-later */
 
 #include <errno.h>
-#include <unistd.h>
 #include <sys/stat.h>
+#include <unistd.h>
 
 #include "sd-messages.h"
 
@@ -21,8 +21,8 @@
 #include "format-util.h"
 #include "fs-util.h"
 #include "hashmap.h"
-#include "machine-dbus.h"
 #include "machine.h"
+#include "machine-dbus.h"
 #include "machined.h"
 #include "mkdir-label.h"
 #include "namespace-util.h"

src/machine/machined-dbus.c

@@ -23,9 +23,9 @@
 #include "image.h"
 #include "image-dbus.h"
 #include "io-util.h"
+#include "machine.h"
 #include "machine-dbus.h"
 #include "machine-pool.h"
-#include "machine.h"
 #include "machined.h"
 #include "operation.h"
 #include "os-util.h"

src/machine/machined-varlink.c

@@ -8,8 +8,8 @@
 #include "hostname-util.h"
 #include "image-varlink.h"
 #include "json-util.h"
-#include "machine-varlink.h"
 #include "machine.h"
+#include "machine-varlink.h"
 #include "machined.h"
 #include "machined-varlink.h"
 #include "mkdir.h"

src/machine/machined.c

@@ -20,8 +20,8 @@
 #include "format-util.h"
 #include "hostname-util.h"
 #include "machine.h"
-#include "machined-varlink.h"
 #include "machined.h"
+#include "machined-varlink.h"
 #include "main-func.h"
 #include "mkdir-label.h"
 #include "operation.h"