Integrate:

Integrate:
[ 24692]
Create newSVpv_hek to reduce code duplication where HEKs need to be
turned into SVs

[ 24696]
s/newSVpv_hek/newSVhek/g; # Lousy choice of name

(just the tweak to newSVhek for passing in NULL from)
[ 24697]
Use newSVhek where we're generating SVs from package names
p4raw-link: @24697 on //depot/perl: 5aaec2b4ba9ed3b1a9d1569e09bc40d19ec30f8c
p4raw-link: @24696 on //depot/perl: c1b02ed82fa9b8892ce2668d35b6825f1fd3fb59
p4raw-link: @24692 on //depot/perl: bd08039be6ae803dd509ca33cf404bdcdd4bae99

p4raw-id: //depot/maint-5.8/perl@25509
p4raw-integrated: from //depot/perl@24697 'ignore' pp.c (@24619..) op.c
	(@24654..) toke.c (@24689..)
p4raw-edited: from //depot/perl@24696 'edit in' embed.fnc (@24692..)
p4raw-integrated: from //depot/perl@24696 'edit in' sv.c (@24692..)
	'merge in' proto.h (@24689..)
p4raw-integrated: from //depot/perl@24692 'edit in' embed.h hv.c
	(@24689..) 'merge in' global.sym (@24689..)