Import Tcl 8.6.11

tests/unixFile.test

@@ -9,8 +9,8 @@
 # See the file "license.terms" for information on usage and redistribution
 # of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 
-if {[lsearch [namespace children] ::tcltest] == -1} {
-    package require tcltest
+if {"::tcltest" ni [namespace children]} {
+    package require tcltest 2.5
     namespace import -force ::tcltest::*
 }
 
@@ -24,7 +24,7 @@ cd [temporaryDirectory]
 
 catch {
     set oldPath $env(PATH)
-    file attributes [makeFile "" junk] -perm 0777
+    file attributes [makeFile "" junk] -perm 0o777
 }
 set absPath [file join [temporaryDirectory] junk]