[wiki] [sites] Add printf(1) to sbase.md || sin

[git]

commit 691c539ffd1ed5953031bdda84bfdbf378a9d844
Author: sin <s...@2f30.org>
Date:   Sun Sep 28 15:18:40 2014 +0100

    Add printf(1) to sbase.md

diff --git a/tools.suckless.org/sbase.md b/tools.suckless.org/sbase.md
index 83e9c1d..e9fe1c3 100644
--- a/tools.suckless.org/sbase.md
+++ b/tools.suckless.org/sbase.md
@@ -42,6 +42,7 @@ The following programs are currently implemented:
 * nohup
 * paste
 * printenv
+* printf
 * pwd
 * readlink
 * renice