fix double-use of xtmp

bin/9l

diff --git a/bin/9l b/bin/9l
index 7862d7f..f22a68c 100755
--- a/bin/9l
+++ b/bin/9l
@@ -303,7 +303,7 @@
 xtmp=/tmp/9l.$$.$USER.out
 xxout() {
 	sed 's/.*: In function `[^:]*: *//' $xtmp | egrep . | 
-	egrep -v 'is almost always misused' $xtmp
+	egrep -v 'is almost always misused' 
 	rm -f $xtmp
 }