Item8638: JSON.pm is not a standard perl module and I see no reason w…

…hy it should become a new dependency. Might require some fancier testing, but at least the unit tests will pass now, all but one, if you don't have this module

git-svn-id: http://svn.foswiki.org/trunk@6619 0b4bb1d4-4e5a-0410-9cc4-b2b747904278

core/lib/Foswiki/Macros/QUERY.pm

@@ -57,7 +57,7 @@ sub _serialise_perl {
 
 sub _serialise_json {
     my ($this, $result) = @_;
-    use JSON ();
+    require JSON;
     return JSON::to_json($result, { allow_nonref => 1 });
 }