read-md.h (read_char): Increment read_md_lineno after reading '\n'.

read-md.h (read_char): Increment read_md_lineno after reading '\n'.

gcc/
	* read-md.h (read_char): Increment read_md_lineno after reading '\n'.
	(unread_char): Decrement read_md_lineno after putting back '\n'.
	* read-md.c (fatal_with_file_and_line): Push back any characters
	that we decide not to add to the context.
	(read_skip_spaces): Don't increment read_md_lineno here.  Avoid using
	fatal_expected_char in cases where '/' ends a line (for example).
	(read_name): Don't increment read_md_lineno here.
	(read_escape): Likewise.
	(read_quoted_string): Likewise.
	(read_braced_string): Likewise.

From-SVN: r160576