Fix burning of blank BD-R disks.

When burning blank BD-R disks, dvd+rw-tools generate, at the end of the
process, the error message:

  :-[ CLOSE SESSION failed with SK=5h/INVALID FIELD IN CDB]: Input/output error

This patch fixes it. Tested by many people following Debian's bug report #713016.
Bug-Debian: https://bugs.debian.org/713016
Forwarded: no
Last-Update: 2015-02-20

Gbp-Pq: Name fix_burning_bd-r_discs.patch

growisofs_mmc.cpp

@@ -814,6 +814,8 @@ static void bd_re_format (Scsi_Command &cmd)
 
     wait_for_unit (cmd);
 
+    bdr_plus_pow = 1;
+
     cmd[0] = 0x35;	// FLUSH CACHE
     cmd[9] = 0;
     cmd.transport();