ChangeLog, error_message.c, error_table.h, et_name.c:

ChangeLog, error_message.c, error_table.h, et_name.c:
  error_table.h:
  et_name.c (error_table_name):
  error_message.c (error_message.c): Make code be 16-bit safe.
ChangeLog, e2fsck.c:
  e2fsck.c (check_mount): Add stronger warning message about the perils
  	of running e2fsck on a mounted filesystem.