title: APT Error: Depends: perl (= 5.14.2-6ubuntu2) but 5.14.2-6ubuntu2.1 is to be installed
body: <p>I just try install libperl-dev with apt on Ubuntu, but I have following error:</p>
  
  <pre><code>user@comp-2:~$ sudo apt-get install libperl-dev
  Reading package lists... Done
  Building dependency tree       
  Reading state information... Done
  Some packages could not be installed. This may mean that you have
  requested an impossible situation or if you are using the unstable
  distribution that some required packages have not yet been created
  or been moved out of Incoming.
  The following information may help to resolve the situation:
  
  The following packages have unmet dependencies:
   libperl-dev : Depends: perl (= 5.14.2-6ubuntu2) but 5.14.2-6ubuntu2.1 is to be installed
                 Depends: libperl5.14 (= 5.14.2-6ubuntu2) but 5.14.2-6ubuntu2.1 is to be installed
  E: Unable to correct problems, you have held broken packages.
  </code></pre>
  
  <p>I tried to google the problem but didn't found something clear.<br>
  Can some one explain me what it's mean: "Depends: libperl5.14 (= 5.14.2-6ubuntu2) but 5.14.2-6ubuntu2.1 is to be installed", and how to solve it?<br>
  Thank you for ahead.</p>