bump version to 1:0.51-6

6 jobs for master in 13 minutes and 37 seconds (queued for 3 seconds)
latest
Status Job ID Name Coverage
  Build
passed #229118
build

00:04:12

 
  Test
passed #229121
autopkgtest

00:03:52

passed #229122
blhc

00:01:46

passed #229120
lintian

00:02:34

passed #229123
piuparts

00:04:43

passed #229119
reprotest

00:03:35