[SM-2006122219255328980] queued to More or less important bugfixes by stf

[submaster@rocklinux.org]

SubMaster Action:
queued to 'More or less important bugfixes' by stf

On Patch [2006122219255328980]:

Stefan Fiedler:
	Re-read tags for forked packages from .desc files in pkgfork(); this
	ensures correct	info about forked packages in config/.../packages.
	scripts/functions, parse_desc(): assign values to existing desc_$tag
		variables; allow for parsing only given tags.
	misc/tools-source/config_helper.c: parse at most 50 arguments.
	Rediffed: $descfile in parse_desc() should stay a global variable,
		var/adm/descs/ file creation depends on it.



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