aes: move aes.h from include/block to include/qemu

Move aes.h from include/block to include/qemu to show it can be reused
by other subsystems.

Cc: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

block/qcow.c

@@ -25,7 +25,7 @@
 #include "block/block_int.h"
 #include "qemu/module.h"
 #include <zlib.h>
-#include "block/aes.h"
+#include "qemu/aes.h"
 #include "migration/migration.h"
 
 /**************************************************************/

block/qcow2.c

@@ -25,7 +25,7 @@
 #include "block/block_int.h"
 #include "qemu/module.h"
 #include <zlib.h>
-#include "block/aes.h"
+#include "qemu/aes.h"
 #include "block/qcow2.h"
 #include "qemu/error-report.h"
 #include "qapi/qmp/qerror.h"

block/qcow2.h

@@ -25,7 +25,7 @@
 #ifndef BLOCK_QCOW2_H
 #define BLOCK_QCOW2_H
 
-#include "block/aes.h"
+#include "qemu/aes.h"
 #include "block/coroutine.h"
 
 //#define DEBUG_ALLOC

util/aes.c

@@ -28,7 +28,7 @@
  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #include "qemu-common.h"
-#include "block/aes.h"
+#include "qemu/aes.h"
 
 #ifndef NDEBUG
 #define NDEBUG