Fix compile error with SD_FIRMWARE_UPDATE#12462

Merged

thinkyhead merged 6 commits intoMarlinFirmware:bugfix-2.0.xfrom

Ludy87:bf_2_sd_fw_update

Nov 18, 2018

Commits on Nov 16, 2018

{Bugfix-2.0.x] uniform variable
Ludy87
committed

Commits on Nov 17, 2018

Commits on Nov 18, 2018