Integrate:

Integrate:
[ 24074]
Subject: [PATCH] Third consting batch
Message-Id: <2f14220e7101a03f7659dbe79a03b115@petdance.com>

(bowlderised to remove const from all externally linked function
 prototypes)
p4raw-link: @24074 on //depot/perl: e1ec3a884f8d8c64eb7e391b2a363f47cbeed570

p4raw-id: //depot/maint-5.8/perl@25425
p4raw-integrated: from //depot/perl@25424 'copy in' minimod.pl
	(@7626..) writemain.SH (@10113..) utfebcdic.h (@21198..)
p4raw-integrated: from //depot/perl@24074 'copy in' mg.h (@19242..)
	perliol.h (@20267..) taint.c (@23176..) utf8.h (@23857..) 'edit
	in' universal.c (@23803..) util.c (@23943..) gv.c pad.c
	pod/perlintern.pod utf8.c (@24042..) embed.fnc pod/perlapi.pod
	proto.h (@24049..) perl.c (@24058..) regcomp.c regcomp.h
	(@24065..) 'ignore' perly.c (@22408..) scope.c (@24042..)
	'merge in' patchlevel.h (@22523..) perlvars.h (@23507..) gv.h
	(@23766..) xsutils.c (@23827..) pp.c (@23869..) XSUB.h
	(@23925..) doio.c (@24022..) perl.h (@24032..) hv.c mg.c
	(@24037..) numeric.c perlio.c pp_hot.c (@24042..) deb.c dump.c
	op.c pp_sys.c sv.c (@24049..) regexec.c (@24067..)