Fix the mime/type and content of the XML sent to ITransact.

docs/changelog/7.x.x.txt

@@ -4,6 +4,7 @@
  - fixed #9375: Syndicated Content asset improperly decodes wide XML entities
  - fixed #9592: DataForm deleteAttachedFiles method can crash
  - fixed #9580: Gallery: albums shown in navigation
+ - fixed #9578: Use of "quotes" in badge name causes error
 
 7.6.10
  - fixed #9577: WebGUI::Form::Url::getValue returns blank rather than undef for blank fields

lib/WebGUI/Shop/PayDriver/ITransact.pm

@@ -424,8 +424,8 @@ sub doXmlRequest {
     
     # Create a request and stuff the xml in it
     my $request = HTTP::Request->new( POST => $xmlTransactionScript );
-	$request->content_type( 'application/x-www-form-urlencoded' );
-	$request->content( 'xml='.$xml );
+	$request->content_type( 'text/xml' );
+	$request->content( $xml );
 
     # Do the request
     my $response = $userAgent->request($request);