title: error while compiling Zxing iphone : too few arguments
body: <p>I get the following error while integrating the Zxing lib ( <a href="http://code.google.com/p/zxing/" rel="nofollow">http://code.google.com/p/zxing/</a>) into my Iphone project</p>
  
  <pre><code>#import "QRCodeReader.h"
  
  
  
  /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.0.sdk/usr/include/c++/4.2.1/bits/basic_string.h
  /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.0.sdk/usr/include/c++/4.2.1/bits/basic_string.h:772:34: error: too few arguments provided to function-like macro invocation [2]
  
  /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.0.sdk/usr/include/c++/4.2.1/bits/basic_string.h:781:32: error: too few arguments provided to function-like macro invocation [2]
  </code></pre>
  
  <p>/Developer/Platforms/.../4.2.1/bits/basic_string.h:801:39: error: too few arguments provided to function-like macro invocation [2]</p>
  
  <p>etc...</p>
  
  <p>Any ideas?</p>
  
  <p>I m using XCode 4.2 and Ios SDK 5.0</p>