added error suppression to tree alias
authorrjorgenson <rjorgenson@gmail.com>
Wed, 30 Nov 2011 06:45:25 +0000 (23:45 -0700)
committerrjorgenson <rjorgenson@gmail.com>
Wed, 30 Nov 2011 06:45:25 +0000 (23:45 -0700)
commitf0bceecb88f01a143c9d4df977c9db473e8618bb
treedfbb13c6d56d4f3c7fde04853528aa87f068176a
parente305e48bee2ce1854becf77c56f0b16a57b5772a
added error suppression to tree alias

the $(which tree) check general.aliases would ouput an error if the
    command was not found. Added suppression of that error.
aliases/available/general.aliases.bash