Make sure TMPDIR is initialized to the empty string

diff --git a/bin/pt b/bin/pt
index 303069dbb05240e0af2bac2e93d945efc3c8f9cb..785391fa673613ee9775e82dcc538c03e6a07c48 100755 (executable)
--- a/bin/pt
+++ b/bin/pt
@@ -22,6 +22,8 @@ DEBUG=
 UPGRADE_REMOVE_INACTIVE=1
 CLEAN_WORKDIR=1
 
+TMPDIR=
+
 declare -i WIDTH=${COLUMNS:-80}
 
 LINE="-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------"