bsd-user: 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: 1454089805-5470-4-git-send-email-peter.maydell@linaro.org
diff --git a/bsd-user/uaccess.c b/bsd-user/uaccess.c
index 677f19c..7cb6d17 100644
--- a/bsd-user/uaccess.c
+++ b/bsd-user/uaccess.c
@@ -1,6 +1,5 @@
 /* User memory access */
-#include <stdio.h>
-#include <string.h>
+#include "qemu/osdep.h"
 
 #include "qemu.h"