Tiny clarification to build
Tiny clarification to build

joelind/zxing-iphone,joelind/zxing-iphone,zilaiyedaren/zxing-iphone,zilaiyedaren/zxing-iphone,joelind/zxing-iphone,joelind/zxing-iphone,joelind/zxing-iphone,zilaiyedaren/zxing-iphone,zilaiyedaren/zxing-iphone,zilaiyedaren/zxing-iphone,zilaiyedaren/zxing-iphone,zilaiyedaren/zxing-iphone,joelind/zxing-iphone,joelind/zxing-iphone,zilaiyedaren/zxing-iphone,joelind/zxing-iphone