git: rc.d/varsym: Rewrite following rc.d/sysctl

[Aaron LI]

commit 5522551ec4fa4ecf42c37ee0065f393e62e25908
Author: Aaron LI <aly at aaronly.me>
Date:   Thu Dec 13 13:53:54 2018 +0800

    rc.d/varsym: Rewrite following rc.d/sysctl
    
    * Rewrite this script following the same logic and style of rc.d/sysctl.
      The basic syntax is checked before setting it.
    
    * Clarify the /etc/varsym.conf syntax in the man page.
    
    Reviewed-by: swildner

Summary of changes:
 etc/rc.d/varsym              | 38 +++++++++++++++++++++-----------------
 share/man/man5/varsym.conf.5 | 20 ++++++++++++++++----
 2 files changed, 37 insertions(+), 21 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/5522551ec4fa4ecf42c37ee0065f393e62e25908


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