$NetBSD: patch-bin_mkrc.in,v 1.1 2017/12/19 11:45:25 leot Exp $

Quote more variable initializations.

Part of upstream:

 <https://github.com/thoughtbot/rcm/commit/f4f6a0722a3f75b2b1e0d820eb6fc3c9d33fa0eb>

--- bin/mkrc.in.orig	2016-12-26 21:56:47.000000000 +0000
+++ bin/mkrc.in
@@ -5,8 +5,8 @@
 
 destination() {
   local dotfiles_dir="$1"
-  local dotless=$2
-  local in_host=$3
+  local dotless="$2"
+  local in_host="$3"
   local tag="$4"
 
   $DEBUG "destination $dotfiles_dir $dotless $in_host $tag"