add mktemp argument

diff --git a/src/gcc-wrap b/src/gcc-wrap
index 97102da..389b51b 100755 (executable)
--- a/src/gcc-wrap
+++ b/src/gcc-wrap
@@ -6,7 +6,7 @@ if test $jp -eq 1; then
     eval src_file=\${$#}
 
     trap '' INT
-    backup=`mktemp`
+    backup=`mktemp tmp.XXXXXX`
     mv $src_file $backup
     nkf -e $backup > $src_file
     $@