cmd/godoc: Fix package comment inconsistencies.

Remove inadvertent and unwanted spaces in the middle of an
indented block.

Insert blank lines before indented sections for consistency.

Insert colon after "pointer" for consistency with "type".

Fixes golang/go#19356.

Change-Id: Iaae12f69d17adb51a27b516727c13132cb8df8e8
Reviewed-on: https://go-review.googlesource.com/37660
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Reviewed-by: Dominik Honnef <dominik@honnef.co>
Run-TryBot: Dominik Honnef <dominik@honnef.co>
1 file changed