nbd: Fix example in man page
commit59a6b9b15cfb53187bd32fa9b350533d34a4cd60
authorEric Blake <eblake@redhat.com>
Sat, 25 May 2019 22:25:08 +0000 (25 17:25 -0500)
committerEric Blake <eblake@redhat.com>
Sat, 25 May 2019 22:25:08 +0000 (25 17:25 -0500)
treec1f7373ff4b601c0ca92026033c73752c5ebbb83
parente897ed70f2242252f5785a1c5463cba98a7f6c9b
nbd: Fix example in man page

'a=b && c&' creates a subshell, so the assignment to a does not
persist to the next command.  Rewrite the example to use distinct
commands, so that $sock is not empty on the 'exec d' line.

Signed-off-by: Eric Blake <eblake@redhat.com>
plugins/nbd/nbdkit-nbd-plugin.pod