fat_file: Rename synchronize_raw_data to repopulate_raw_machos. (#62)
fat_file: Rename synchronize_raw_data to repopulate_raw_machos. (#62)

Additionally, add FatFile#populate_fields for DRYness and compatibility
with MachOFile.
Homebrew/ruby-macho,woodruffw/ruby-macho,Homebrew/ruby-macho,woodruffw/ruby-macho,woodruffw/ruby-macho,Homebrew/ruby-macho