Index: groff-1.21/contrib/eqn2graph/eqn2graph.sh
===================================================================
--- groff-1.21.orig/contrib/eqn2graph/eqn2graph.sh	2011-09-22 14:15:22.000000000 +0200
+++ groff-1.21/contrib/eqn2graph/eqn2graph.sh	2011-09-22 14:23:55.754494862 +0200
@@ -69,6 +69,8 @@
 
     tmp=$d/eqn2graph$$-$RANDOM
     (umask 077 && mkdir $tmp) 2> /dev/null && break
+
+    tmp=
 done;
 if test -z "$tmp"; then
     echo "$0: cannot create temporary directory" >&2
Index: groff-1.21/contrib/grap2graph/grap2graph.sh
===================================================================
--- groff-1.21.orig/contrib/grap2graph/grap2graph.sh	2011-09-22 14:15:22.000000000 +0200
+++ groff-1.21/contrib/grap2graph/grap2graph.sh	2011-09-22 14:23:55.754494862 +0200
@@ -65,6 +65,8 @@
 
     tmp=$d/grap2graph$$-$RANDOM
     (umask 077 && mkdir $tmp) 2> /dev/null && break
+
+    tmp=
 done;
 if test -z "$tmp"; then
     echo "$0: cannot create temporary directory" >&2

Index: groff-1.21/contrib/pic2graph/pic2graph.sh
===================================================================
--- groff-1.21.orig/contrib/pic2graph/pic2graph.sh	2011-09-22 14:15:22.000000000 +0200
+++ groff-1.21/contrib/pic2graph/pic2graph.sh	2011-09-22 14:23:55.794496246 +0200
@@ -80,6 +80,8 @@
     tmp=$d/pic2graph$$-$RANDOM
     (umask 077 && mkdir $tmp) 2> /dev/null \
     && break
+
+    tmp=
 done;
 if test -z "$tmp"; then
     echo "$0: cannot create temporary directory" >&2