tree-wide: group include of libudev.h with sd-*

src/core/device.c

@@ -22,10 +22,11 @@
 #include <errno.h>
 #include <sys/epoll.h>
 
+#include "libudev.h"
+
 #include "alloc-util.h"
 #include "dbus-device.h"
 #include "device.h"
-#include "libudev.h"
 #include "log.h"
 #include "parse-util.h"
 #include "path-util.h"

src/core/swap.c

@@ -24,6 +24,8 @@
 #include <sys/stat.h>
 #include <unistd.h>
 
+#include "libudev.h"
+
 #include "alloc-util.h"
 #include "dbus-swap.h"
 #include "escape.h"
@@ -31,7 +33,6 @@
 #include "fd-util.h"
 #include "formats-util.h"
 #include "fstab-util.h"
-#include "libudev.h"
 #include "parse-util.h"
 #include "path-util.h"
 #include "process-util.h"

src/core/umount.c

@@ -27,11 +27,12 @@
 #include <sys/mount.h>
 #include <sys/swap.h>
 
+#include "libudev.h"
+
 #include "alloc-util.h"
 #include "escape.h"
 #include "fd-util.h"
 #include "fstab-util.h"
-#include "libudev.h"
 #include "list.h"
 #include "mount-setup.h"
 #include "path-util.h"