From 176161e071d50ee2f4873d21f8396c03a929c45d Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Wed, 13 Mar 2019 13:24:00 -0400
Subject: ob_parse_changelog(), ob_parse_control(): Explicitly assign null strings

POSIX say, "If value is not specified, the variable shall be given a
null value."  Make this explicit, for consistency.
---
diff --git a/lib/changelog.sh b/lib/changelog.sh
index 83f4ca1..56a53e7 100644
--- a/lib/changelog.sh
+++ b/lib/changelog.sh
@@ -80,7 +80,7 @@ ob_parse_changelog()
 	line_nr=0
 	expect='first_heading'
 
-	while IFS= read line; do
+	while IFS='' read line; do
 		line_nr=$(($line_nr + 1))
 		case "${line}" in
 			'')
diff --git a/lib/control.sh b/lib/control.sh
index 17c1ca8..6e199de 100644
--- a/lib/control.sh
+++ b/lib/control.sh
@@ -89,7 +89,7 @@ ob_parse_control()
 
 	line_nr=0
 
-	while IFS= read -r line; do
+	while IFS='' read -r line; do
 		line_nr=$(($line_nr + 1))
 		case "${line}" in
 			'')
--
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