linux-user: Add ioctl for BLKBSZGET

This patch adds the ioctl wrapper definition for BLKBSZGET.
Signed-off-by: NAlexander Graf <agraf@suse.de>
Signed-off-by: NRiku Voipio <riku.voipio@linaro.org>

linux-user/ioctls.h

@@ -75,6 +75,7 @@
      IOCTL(BLKRASET, 0, TYPE_INT)
      IOCTL(BLKRAGET, IOC_R, MK_PTR(TYPE_LONG))
      IOCTL(BLKSSZGET, IOC_R, MK_PTR(TYPE_LONG))
+     IOCTL(BLKBSZGET, IOC_R, MK_PTR(TYPE_INT))
 #ifdef FIBMAP
      IOCTL(FIBMAP, IOC_W | IOC_R, MK_PTR(TYPE_LONG))
 #endif