fix abi json for lesson 6 ch. 4#28

AlcibiadesCleinias wants to merge 1 commit intoCryptozombiesHQ:masterCryptozombiesHQ/cryptozombies-lesson-code:masterfrom

AlcibiadesCleinias:fix/cryptozombies_abi_6_4AlcibiadesCleinias/cryptozombies-lesson-code:fix/cryptozombies_abi_6_4Copy head branch name to clipboard