Bug 1248252 - Improper outdated octal constant syntax in M-C tree. Us…

…e '0o' prefix. r=dao

Be warned. Do not attemp to change the .js "test" source code in ./js
They are meant to check

 - the outdated 0666 octal constant is still parsed correctly,
 - the outdated 0666 octal constant raises syntax error flag
   in strict mode, etc.

So leave them alone.

lib/sdk/io/fs.js

@@ -121,8 +121,8 @@ function remove(path, recursive) {
 /**
  * Utility function to convert either an octal number or string
  * into an octal number
- * 0777 => 0777
- * "0644" => 0644
+ * 0777 => 0o777
+ * "0644" => 0o644
  */
 function Mode(mode, fallback) {
   return isString(mode) ? parseInt(mode, 8) : mode || fallback;