rem: word_fastmap[(unsigned char) *cursor] = 0;
add: word_fastmap[to_uchar (*cursor)] = 0;
context: digest_break_file (const char *file_name){  BLOCK file_contents;		/* to receive a copy of the file */  char *cursor;			/* cursor in file copy */  swallow_file_in_memory (file_name, &file_contents);  /* Make the fastmap and record the file contents in it.  */  memset (word_fastmap, 1, CHAR_SET_SIZE);  for (cursor = file_contents.start; cursor < file_contents.end; cursor++)    word_fastmap[(unsigned char) *cursor] = 0;  if (!gnu_extensions)    {      /* If GNU extensions are enabled, the only way to avoid newline as	 a break character is to write all the break characters in the	 file with no newline at all, not even at the end of the file.	 If disabled, spaces, tabs and newlines are always considered as	 break characters even if not included in the break file.  */      word_fastmap[' '] = 0;      word_fastmap['\t'] = 0;      word_fastmap['\n'] = 0;    }  /* Return the space of the file, which is no more required.  */  free (file_contents.start);}