From 44e452fb3c8cc7a093d72fbc280be3973e627a62 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Fri, 19 Apr 2019 21:26:04 -0400
Subject: Add braces to param exps in arith substs

---
(limited to 'src/session.sh')

diff --git a/src/session.sh b/src/session.sh
index 2ddf6ff..61211a4 100644
--- a/src/session.sh
+++ b/src/session.sh
@@ -196,7 +196,7 @@ session_set_sigs()
 	i=0
 	session_sigs=''
 	while [ ${i} -lt 127 ]; do
-		i=$(($i + 1))
+		i=$((${i} + 1))
 		sig="$(kill -l ${i} 2>/dev/null)" || continue
 		case "${sig}" in
 			'HUP' | 'INT' | 'QUIT' | 'ABRT' | 'ALRM' | 'TERM')
@@ -213,5 +213,5 @@ session_handle_sig()
 
 	session_end
 
-	exit $((128 + $sig))
+	exit $((128 + ${sig}))
 }
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