Fix regression in hex patch address on microbit; fixes #132
Fix regression in hex patch address on microbit; fixes #132

Microsoft/pxt,playi/pxt,switch-education/pxt,switch-education/pxt,Microsoft/pxt,playi/pxt,Microsoft/pxt,switch-education/pxt,Microsoft/pxt,switchinnovations/pxt,playi/pxt,switchinnovations/pxt,switchinnovations/pxt,Microsoft/pxt,playi/pxt,switch-education/pxt,switchinnovations/pxt,switch-education/pxt