make it consistent across the codebase, no space between keyword
and the colon

Change-Id: Idca61ddfc74ad2460fb05fe417499324b05e5de5
Reviewed-on: https://gerrit.libreoffice.org/17148Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
Tested-by: Noel Grandin <noelgrandin@gmail.com>