Item12750: syntax error in JSTreeConnector.pm

Browsing categories fails consistently giving out the following error

Type of arg 1 to keys must be hash (not hash element) at /var/lib/foswiki/lib/Foswiki/Plugins/ClassificationPlugin/JSTreeConnector.pm line 103, near "})" Compilation failed in require at /var/lib/foswiki/lib/Foswiki/Plugins/ClassificationPlugin.pm line 75.

I have implemented a fix changing the relevant line from

my $nrChildren = scalar(grep {!/^BottomCategory$/} keys $child->{children});

to

my $nrChildren = scalar(grep {!/^BottomCategory$/} keys %{$child->{children}});

-- DanieleGondoni - 13 Feb 2014

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