perl: upgrade from 5.12.2 to 5.12.3

And changed the perl tarball URL to more stable cpan location.

(From OE-Core rev: 3a08c401f298095840a2aee9079845f5ff434410)

Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/perl/perl-5.12.3/debian/fixes/lc-numeric-sprintf.diff

@@ -0,0 +1,31 @@
+Upstream-Status:Inappropriate [debian patch]
+
+From: Niko Tyni <ntyni@debian.org>
+Subject: Fix sprintf not to ignore LC_NUMERIC with constants
+Bug-Debian: http://bugs.debian.org/601549
+Bug: http://rt.perl.org/rt3/Ticket/Display.html?id=78632
+Origin: upstream, http://perl5.git.perl.org/perl.git/commit/b3fd61496ebc585b1115807e3195f17714662a09
+
+Don't fold constants in sprintf() if locales are used
+    
+An upstream regression in 5.10.1 made sprintf() ignore LC_NUMERIC for
+numeric constants.
+
+---
+ op.c |    1 +
+ 1 files changed, 1 insertions(+), 0 deletions(-)
+
+diff --git a/op.c b/op.c
+index e94f158..3c6badb 100644
+--- a/op.c
++++ b/op.c
+@@ -2503,6 +2503,7 @@ S_fold_constants(pTHX_ register OP *o)
+     case OP_SLE:
+     case OP_SGE:
+     case OP_SCMP:
++    case OP_SPRINTF:
+ 	/* XXX what about the numeric ops? */
+ 	if (PL_hints & HINT_LOCALE)
+ 	    goto nope;
+-- 
+tg: (a508b62..) fixes/lc-numeric-sprintf (depends on: upstream)