This change was prompted by D6408 which moves thumbnail extraction into a shared function that happens use these endian defines but only links blenlib. There is no need for these defines to be associated with globals so move into their own header.
This change was prompted by D6408 which moves thumbnail extraction into a shared function that happens use these endian defines but only links blenlib. There is no need for these defines to be associated with globals so move into their own header.