Typo in memcat.cc


 * *Reported as:* [lp:1410826](https://bugs.launchpad.net/bugs/1410826)
 * *Reported by:* [lp:~dereckson](https://launchpad.net/~dereckson)
 * *Reported at:* 2015-01-14T14:50:43Z

Imported from Launchpad using lp2gh.

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If no server is specified when calling memcat, a "No servers provied" message is printed.

Expected message is "No servers provided".