bump version to 1:0.51-6

8 jobs for master in 18 minutes and 38 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Build
passed #328535
build

00:02:54

 
  Test
passed #328540
autopkgtest

00:03:46

passed #328541
blhc

00:01:46

passed #328539
lintian

00:01:33

passed #328542
piuparts

00:03:31

passed #328538
reprotest

00:02:39

passed #328537
test-build-all

00:02:20

passed #328536
test-build-any

00:02:54