gen-pass-instances.awk (adjust_linenos): INcrement pass_lines[p] by increment rather than double it.

	* gen-pass-instances.awk (adjust_linenos): INcrement pass_lines[p]
	by increment rather than double it.
	(insert_remove_pass): Strip leading whitespace from args[3].  Don't
	emit a space before args[4].
	(END): Don't emit a space before with_arg.

From-SVN: r241580