[perl-Glib-Object-Introspection] Fix building with perl <= 5.14

[Torsten SchÃnfeld <tsch src gnome org>]

commit 96eb8c56cfacbafe1286be3d14b63097997eeacb
Author: Torsten SchÃnfeld <kaffeetisch gmx de>
Date:   Wed Oct 3 15:18:46 2012 +0200

    Fix building with perl <= 5.14
    
    The ExtUtils::MakeMaker version shipped with perl <= 5.14 does not seem to
    handle references in the meta information correctly.

 Makefile.PL |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/Makefile.PL b/Makefile.PL
index b23ff17..6a2f067 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -75,10 +75,10 @@ my %meta_merge = (
         },
         prereqs => {
             configure => {
-                requires => \%CONFIG_REQ_PM,
+                requires => {%CONFIG_REQ_PM}, # no direct ref for 5.14 compatibility
             },
             runtime => {
-                requires => \%RUNTIME_REQ_PM,
+                requires => {%RUNTIME_REQ_PM}, # no direct ref for 5.14 compatibility
             },
         },
         no_index => {