block: move include files to include/block/

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/hw/9pfs/virtio-9p-coth.h b/hw/9pfs/virtio-9p-coth.h
index c31c965..8c48a16 100644
--- a/hw/9pfs/virtio-9p-coth.h
+++ b/hw/9pfs/virtio-9p-coth.h
@@ -16,7 +16,7 @@
 #define _QEMU_VIRTIO_9P_COTH_H
 
 #include "qemu-thread.h"
-#include "qemu-coroutine.h"
+#include "block/coroutine.h"
 #include "virtio-9p.h"
 #include <glib.h>