all: 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: 1454089805-5470-16-git-send-email-peter.maydell@linaro.org
diff --git a/trace/simple.c b/trace/simple.c
index e8594cd..3fdcc82 100644
--- a/trace/simple.c
+++ b/trace/simple.c
@@ -8,12 +8,8 @@
  *
  */
 
-#include <stdlib.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <time.h>
+#include "qemu/osdep.h"
 #ifndef _WIN32
-#include <signal.h>
 #include <pthread.h>
 #endif
 #include "qemu/timer.h"