gcc complains when it sees variables declared

	const register ...

switched them all to 

	register const ...

p4raw-id: //depot/perl@25757

1 files changed, 1 insertions, 1 deletions

diff --git a/av.c b/av.c
index 1b540656ab..2b28223aa3 100644
--- a/av.c
+++ b/av.c
@@ -719,7 +719,7 @@ empty.
 */
 
 I32
-Perl_av_len(pTHX_ const register AV *av)
+Perl_av_len(pTHX_ register const AV *av)
 {
     return AvFILL(av);
 }