migration: Clean up includes

Clean up includes so that osdep.h is included first and headers
which it implies are not included manually.

This commit was created with scripts/clean-includes.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1453832250-766-2-git-send-email-peter.maydell@linaro.org
diff --git a/migration/exec.c b/migration/exec.c
index 8406d2b..f1b5e47 100644
--- a/migration/exec.c
+++ b/migration/exec.c
@@ -15,13 +15,13 @@
  * GNU GPL, version 2 or (at your option) any later version.
  */
 
+#include "qemu/osdep.h"
 #include "qemu-common.h"
 #include "qemu/sockets.h"
 #include "qemu/main-loop.h"
 #include "migration/migration.h"
 #include "migration/qemu-file.h"
 #include "block/block.h"
-#include <sys/types.h>
 #include <sys/wait.h>
 
 //#define DEBUG_MIGRATION_EXEC