title: Linker error only while archiving
body: <p>When I build my project with iOS Device, there is no error. I can even run the project on simulator wit debug mode. But when I try to create an ipa using archive, this error comes up. <img src="https://i.stack.imgur.com/tJCpU.png" alt="enter image description here">
  I just added another device in the profile, downloaded the new profile and added it in organizer. And now it doesn't let me create an ipa. I tried downloading certificate again, restarting Xcode. But it did not work.</p>
  
  <p><strong>EDIT</strong>
  When I remove the line which calls QuotedPrintable::decode() method, it works fine. How do I set path to quotedPrintable.h in the build settings?</p>