net: 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: 1454089805-5470-11-git-send-email-peter.maydell@linaro.org
diff --git a/net/tap-solaris.c b/net/tap-solaris.c
index 0f60f78..e3907a8 100644
--- a/net/tap-solaris.c
+++ b/net/tap-solaris.c
@@ -22,10 +22,10 @@
  * THE SOFTWARE.
  */
 
+#include "qemu/osdep.h"
 #include "tap_int.h"
 #include "sysemu/sysemu.h"
 
-#include <sys/stat.h>
 #include <sys/ethernet.h>
 #include <sys/sockio.h>
 #include <netinet/arp.h>