better comment

Dependencies

• [2] CCVA7636 bundle a few more things
• [3] 4H4JTSFI mouse wheel support

Change contents

• replacement in 0001-on at line 11
  [2.1144]→[2.1144:1164](∅→∅)
  − -- on.file_drop
  [2.1144]

  [2.1164]
  + -- on.file_drop (see love.filedropped)