title: Lipo error when coverting iOS project to ARC
body: <p>I'm trying to convert my iOs project to use ARC but am receiving a lipo error below is the command and error</p>
  
  <p>Command:</p>
  
  <pre><code>CreateUniversalBinary /Users/samichaudry/Library/Developer/Xcode/DerivedData/CartoonQuiz-bqmbxfcdkldmbqawgrfmjtebypuk/Build/Products/Debug-iphoneos/CartoonQuiz.app/CartoonQuiz normal "armv7 armv7s"
  cd "/Users/samichaudry/Projetcs/CartoonQuiz/Application/V1.01 New Design Universal/Application"
  setenv PATH "/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
  lipo -create /Users/samichaudry/Library/Developer/Xcode/DerivedData/CartoonQuiz-bqmbxfcdkldmbqawgrfmjtebypuk/Build/Intermediates/CartoonQuiz.build/Debug-iphoneos/CartoonQuiz.build/Objects-normal/armv7/CartoonQuiz /Users/samichaudry/Library/Developer/Xcode/DerivedData/CartoonQuiz-bqmbxfcdkldmbqawgrfmjtebypuk/Build/Intermediates/CartoonQuiz.build/Debug-iphoneos/CartoonQuiz.build/Objects-normal/armv7s/CartoonQuiz -output /Users/samichaudry/Library/Developer/Xcode/DerivedData/CartoonQuiz-bqmbxfcdkldmbqawgrfmjtebypuk/Build/Products/Debug-iphoneos/CartoonQuiz.app/CartoonQuiz
  </code></pre>
  
  <p>Error:</p>
  
  <pre><code>/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/lipo: can't figure out the architecture type of: /Users/samichaudry/Library/Developer/Xcode/DerivedData/CartoonQuiz-bqmbxfcdkldmbqawgrfmjtebypuk/Build/Intermediates/CartoonQuiz.build/Debug-iphoneos/CartoonQuiz.build/Objects-normal/armv7/CartoonQuizCommand /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/lipo failed with exit code 1
  </code></pre>