title: unresolved external symbol __imp____iob_func referenced in function _OpenSSLDie
body: <p>I am getting below error while migrating my project from VS2008 to VS2015.</p>
  
  <pre><code>21&gt;TFCLd.lib(cryptlib.obj) : warning LNK4217: locally defined symbol _fprintf imported in function _OpenSSLDie
  21&gt;TFCLd.lib(rsa_sign.obj) : warning LNK4049: locally defined symbol _fprintf imported
  21&gt;TFCLd.lib(cryptlib.obj) : error LNK2019: unresolved external symbol __imp____iob_func referenced in function _OpenSSLDie
  21&gt;TFCLd.lib(rsa_sign.obj) : error LNK2001: unresolved external symbol __imp____iob_func
  </code></pre>
  
  <p>The project builds in VS2008 but with above error in VS2015. May I know what am I missing.</p>