JSON::PP: Synch with CPAN version 4.12

From Changes: Call unimport overload first to silence warnings.
(https://github.com/makamaka/JSON-PP/issues/76, haarg++)

Committer: To keep 'make test_porting' happy, run:
    cd t; ./perl porting/regen.t; cd -
    ./perl -Ilib Porting/makemeta -j

1 files changed, 1 insertions, 1 deletions

diff --git a/META.json b/META.json
index d35bc13b07..e6e6effe85 100644
--- a/META.json
+++ b/META.json
@@ -120,5 +120,5 @@
       }
    },
    "version" : "5.037005",
-   "x_serialization_backend" : "JSON::PP version 4.11"
+   "x_serialization_backend" : "JSON::PP version 4.12"
 }