From 82db82b416b3ec67dc47c755a4bb5d8e49ace4be Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Sun, 17 Mar 2019 05:29:26 -0400
Subject: tools/shld.sh: Unset __f

---
diff --git a/tools/shld.sh b/tools/shld.sh
index 3117ccf..191d1a4 100755
--- a/tools/shld.sh
+++ b/tools/shld.sh
@@ -83,7 +83,7 @@ link()
 				exit 127
 			fi
 		done
-		unset __lib __el __found
+		unset __lib __el __found __f
 		EOF
 
 	# Read input files.
--
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