Clean up ill-advised or unusual header guards

Cleaned up with scripts/clean-header-guards.pl.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>

include/exec/exec-all.h

@@ -17,8 +17,8 @@
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef _EXEC_ALL_H_
-#define _EXEC_ALL_H_
+#ifndef EXEC_ALL_H
+#define EXEC_ALL_H
 
 #include "qemu-common.h"
 #include "exec/tb-context.h"

include/exec/tb-context.h

@@ -17,8 +17,8 @@
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef QEMU_TB_CONTEXT_H_
-#define QEMU_TB_CONTEXT_H_
+#ifndef QEMU_TB_CONTEXT_H
+#define QEMU_TB_CONTEXT_H
 
 #include "qemu/thread.h"
 #include "qemu/qht.h"

include/exec/tb-hash-xx.h

@@ -30,8 +30,9 @@
  * You can contact the author at :
  * - xxHash source repository : https://github.com/Cyan4973/xxHash
  */
-#ifndef EXEC_TB_HASH_XX
-#define EXEC_TB_HASH_XX
+
+#ifndef EXEC_TB_HASH_XX_H
+#define EXEC_TB_HASH_XX_H
 
 #include "qemu/bitops.h"
 
@@ -91,4 +92,4 @@ uint32_t tb_hash_func5(uint64_t a0, uint64_t b0, uint32_t e)
     return h32;
 }
 
-#endif /* EXEC_TB_HASH_XX */
+#endif /* EXEC_TB_HASH_XX_H */

include/exec/tb-hash.h

@@ -17,8 +17,8 @@
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef EXEC_TB_HASH
-#define EXEC_TB_HASH
+#ifndef EXEC_TB_HASH_H
+#define EXEC_TB_HASH_H
 
 #include "exec/tb-hash-xx.h"