Fix uninitialized value use in fallback qr_ilog() implementation.
Fix uninitialized value use in fallback qr_ilog() implementation.

--HG--
extra : convert_revision : svn%3A622eb2ae-03c0-416d-8f46-78527ebb7468/trunk%4059

dmcrystax/cosp-android-zbar,crystax/cosp-android-zbar,crystax/cosp-android-zbar,robertwalker/zbar,AquaGeek/zbar,crystax/cosp-android-zbar,bobftw/zbarSDK,bobftw/zbarSDK,AquaGeek/zbar,dmcrystax/cosp-android-zbar,bobftw/zbarSDK,crystax/cosp-android-zbar,bobftw/zbarSDK,AquaGeek/zbar,dmcrystax/cosp-android-zbar,crystax/cosp-android-zbar,AquaGeek/zbar,AquaGeek/zbar,robertwalker/zbar,robertwalker/zbar,dmcrystax/cosp-android-zbar,crystax/cosp-android-zbar,dmcrystax/cosp-android-zbar,robertwalker/zbar,bobftw/zbarSDK,AquaGeek/zbar,dmcrystax/cosp-android-zbar,robertwalker/zbar,dmcrystax/cosp-android-zbar,robertwalker/zbar,bobftw/zbarSDK,crystax/cosp-android-zbar,AquaGeek/zbar