Update contao32 (and contao32-example) to 3.2.3 during the freeze to
fix a few trivial (but nasty) problems of this almost leaf package:
approved by gdt@.


Version 3.2.3 (2013-12-20)
--------------------------

### Fixed
Correctly resize the mediaboxAdvanced in IE11 (see #6504).

### Fixed
Set the correct status header for cached files (see #6585).

### Fixed
Correctly set the empty value depending on the DB field (fixes #6550, #6544).

### Fixed
Prevent saving of detached models (see #6506).

### Fixed
Correctly determine the ACE editor's height (see #6578).

### Fixed
Always fall back to English if a language does not exist (see #6581).

### Fixed
Correctly display repeated events in the event list (see #6555).

### Fixed
Correctly show the available layout columns in the article module (see #6548).

### Fixed
Correctly show the "read more" link in the news list modules (see #6439).

### Updated
Updated html5shiv to version 3.7.0 (see #6543).

### Fixed
Support browsers with both mouse and touch support in the back end (see #6520).

### Fixed
Correctly handle multiple `RadioTable` widgets on the same page (see #6389).

### Fixed
Fixed two issues with the SQL cache (see #6507).

### Fixed
Do not require a redirect page for newsletter channels (see #6521).

### Fixed
Use the related field instead of `id` in the model query builder (see #6540).
Note update of www/contao32 and www/contao32-example packages to 3.2.3.
Use PKGPATH instead of PKGNAME for check current package, because later variable
may not be defined yet and broken with old bmake in netbsd5.