From 5994d6a559c475c6ee034c9c4fca705291b7c716 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Sat, 16 Mar 2019 16:34:44 -0400
Subject: Add braces to param exps in arith substs

---
(limited to 'lib/package.sh')

diff --git a/lib/package.sh b/lib/package.sh
index b4a0d97..0c39ca4 100644
--- a/lib/package.sh
+++ b/lib/package.sh
@@ -108,7 +108,7 @@ ob_get_binary_packages()
 				;;
 		esac
 	done
-	shift $(($OPTIND - 1))
+	shift $((${OPTIND} - 1))
 
 	if ! ${_ob_got_binary_packages}; then
 
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