title: timeBeginPeriod identifier not found error
body: <p>When I compile my project I get this error. </p>
  
  <pre><code>C:\src\libs\nvrtpaudio\FileRtpSource.
  cpp(61) : error C3861: 'timeBeginPeriod': identifier not found
  C:\src\libs\nvrtpaudio\FileRtpSource.
  cpp(71) : error C3861: 'timeEndPeriod': identifier not found
  gmake[5]: *** [_out/win7_x86_debug/FileRtpSource.obj] Error 2
  </code></pre>
  
  <p>I included windows.h but this error still persists. Anyone know how to resolve this?</p>