block: bdrv_eject(): Make eject_flag a real bool

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Kevin Wolf <kwolf@redhat.com>
diff --git a/block.c b/block.c
index 8d4cfea..bfb0dec 100644
--- a/block.c
+++ b/block.c
@@ -3609,7 +3609,7 @@
 /**
  * If eject_flag is TRUE, eject the media. Otherwise, close the tray
  */
-void bdrv_eject(BlockDriverState *bs, int eject_flag)
+void bdrv_eject(BlockDriverState *bs, bool eject_flag)
 {
     BlockDriver *drv = bs->drv;