[Ada] Clean up/more uniform handling

[Arnaud Charlet <charlet at adacore dot com>]

Tested on x86-linux, committed on mainline.

This is simply a cleanup for more uniform treatment at the source level. We
also remove unnecessary and inappropriate pragma Inline statements for the
parent routines, which also makes things more consistent. Should cause no
change in functionality.

2004-12-07  Robert Dewar  <dewar@adacore.com>

	* nlists.adb (Prepend_Debug): Remove parameters and nest within
	Prepend.
	(Remove_Next_Debug): Same fix

	* nlists.ads: Correct bad comments for Prev and Prev_Non_Pragma (we do
	maintain back pointers now, though we did not used to, and comments
	were out of date).
	(Prepend): Remove pragma Inline.
	(Remove_Next): Same cleanup

Attachment: difs.19
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