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

user-exec.c

@@ -16,7 +16,7 @@
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
-#include "config.h"
+#include "qemu/osdep.h"
 #include "cpu.h"
 #include "disas/disas.h"
 #include "tcg.h"
@@ -33,7 +33,6 @@
 #undef ESI
 #undef EDI
 #undef EIP
-#include <signal.h>
 #ifdef __linux__
 #include <sys/ucontext.h>
 #endif