Use snap store image for ubuntu downloads

www.videolan.org/vlc/download-ubuntu.php

@@ -39,7 +39,7 @@
 
 			    <div class="inner center-xs">
 			        <div class="btn-group">
-                            <a href="snap://vlc"><img src="//images.videolan.org/images/ubuntu-sc.png" title="Download for Ubuntu" alt="Download for Ubuntu button" />Download for Ubuntu</a>
+                            <a href="snap://vlc"><img src="//images.videolan.org/images/badges/[EN]-snap-store-white.png" title="Download for Ubuntu" alt="Download for Ubuntu button" /></a>
 			        </div>
 			        <div id="downloadDetails">
 			            <span id='downloadOS'><?php echo $defaultDetail["name"]; ?></span>