message: lint: update list of spelling linter false positives
diff: +asend
  +atack
  +blockin
  +cachable
  +fo
  +fpr
  hights
  +hist
  +inout
  mor
  -mut
  -objext
  +nin
  +ser
  +unparseable
  +unser
  useable
  wit
  -unparseable
  -copyable
  -cachable
  -errorstring
  -keyserver
  -homogenous
  -setban
  -hist
  -ser
  -unselect
  -lowercased
  