fix indentation (+1 squashed commits)

Squashed commits:

[4d0fc028] testing a simple workflow for windows full build

scripts/gen-authors.sh

@@ -1,9 +0,0 @@
-#!/bin/bash
-
-printf "# date: $(date)\n" > AUTHORS
-printf "# this file is auto-generated by scripts/gen-authors.sh\n\n" >> AUTHORS
-
-git log --format='%an <%ae>' --reverse --date=short master | awk '!seen[$0]++' | sort >> AUTHORS
-
-# if necessary, update your name here. for example: jdoe -> John Doe
-sed -i '' 's/^jdoe/John Doe/g' AUTHORS