git: config(8): Replace the old "= {" syntax in config.y with just "{".

[Sascha Wildner]

commit ff0389994c7a45127b84595ce71e84a29bc4ed74
Author: Sascha Wildner <saw at online.de>
Date:   Mon Mar 23 17:17:27 2020 +0100

    config(8): Replace the old "= {" syntax in config.y with just "{".
    
    According to FreeBSD it was only for compatibility with
    6th edition Unix' yacc(1).

Summary of changes:
 usr.sbin/config/config.y | 155 ++++++++++++++++++++---------------------------
 1 file changed, 65 insertions(+), 90 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/ff0389994c7a45127b84595ce71e84a29bc4ed74


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