icon disappear for WAMP setup

When upgrading to beta 2, I observe some icons (e.g. quick menu icons) disappear. I find the problem is probably due to my WAMP setup in my local computer. I made the following changes and they appears again.

at line 135 of /modules/gallery/libraries/Gallery_View.php, change from:

$relative = substr(realpath(dirname($css_file) . "/$match[1]"), $docroot_length);

to:

if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
$relative = substr(dirname($css_file) . "/$match[1]", $docroot_length);
} else {
$relative = substr(realpath(dirname($css_file) . "/$match[1]"), $docroot_length);
}

The main purpose is to avoid to use realpath() function in Windows environment. Since realpath() is not used, the "../" is still keep inside the path. This change is not so beautiful and I am not sure if there is any compatibility problem. However, I just use WAMP for testing purpose, it may be good enough to just make it work. If your situation is similar to me, it may be helpful.

I find nivekiam have already solve it at http://gallery.menalto.com/node/88980#comment-313504. I think it is better than mine. Regret not to read the forum before solving by myself.

This change has been pulled into the main repo, so you can just upgrade to the latest code now. Thanks, nivekiam!
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