Extension functions: array conversion bug

Mike,

Here is a small bug in the way arrays are converted when calling  
extension functions:

Error in call to extension function {public static java.lang.String[]  
nux.xom.xquery.XQueryUtil.foo(java.lang.String,java.lang.String 
[],boolean)}: Cannot convert supplied argument value to the required  
type

It works for sequences (i.e. arrays) of length > 1 or length == 0 but  
not for arrays of length == 1.
Here is a snipped to reproduce:

declare namespace util = "java:nux.xom.xquery.XQueryUtil";
util:foo(".", ("xx","yy"), true() )      (: works fine :)
util:foo(".", (), true() )               (: works fine :)
util:foo(".", ("xx"), true() )           (: bug :)


    public static String[] foo(String baz, String[] args, boolean  
bar) {
        return args;
    }




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