Bug 13262: (QA followup) fix duplicate variable definition

Running

 $ prove t/db_dependent/XSLT_Handler.t

raises a couple warnings because of variable redefinitions. This small patch fixes that.

Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>

t/db_dependent/XSLT_Handler.t

@@ -176,7 +176,7 @@ $output = $engine->transform({
             xml => $xml_1,
             file => $xsltfile_4,
         });
-my $dom = XML::LibXML->load_xml(string => $output);
-my $result = $dom->find( '/just_a_tagname' );
+$dom = XML::LibXML->load_xml(string => $output);
+$result = $dom->find( '/just_a_tagname' );
 is ( $result->to_literal(), '', "As expected, no XSLT parameters/variables were added");
 #End of tests