Define OD_BLOCK_SIZE4x4 using OD_BLOCK_SIZE8x8.
Define OD_BLOCK_SIZE4x4 using OD_BLOCK_SIZE8x8.

jmvalin/daala,xiphmont/daala,KyleSiefring/daala,luctrudeau/daala,xiph/daala,luctrudeau/daala,luctrudeau/daala,jmvalin/daala,xiph/daala,ycho/daala,xiph/daala,KyleSiefring/daala,jmvalin/daala,xiphmont/daala,xiphmont/daala,HeadhunterXamd/daala,jmvalin/daala,ycho/daala,KyleSiefring/daala,HeadhunterXamd/daala,ycho/daala,luctrudeau/daala,HeadhunterXamd/daala,KyleSiefring/daala,HeadhunterXamd/daala,xiph/daala,xiphmont/daala,luctrudeau/daala,jmvalin/daala,xiphmont/daala,xiph/daala,KyleSiefring/daala,ycho/daala,HeadhunterXamd/daala,ycho/daala