d/changelog: Remove trailing whitespaces

6 jobs for master in 16 minutes and 45 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #227212
build

00:07:51

 
  Test
passed #227215
autopkgtest

00:06:06

passed #227216
blhc

00:01:30

passed #227214
lintian

00:02:01

passed #227217
piuparts

00:08:52

passed #227213
allowed to fail
reprotest

00:07:59