SharedHttpCacheStorage doesn't resolve redirect correctly if the uri

that is given isn't normalized #2666

make sure taht the incoming uri param is normalized when used further
up. This way it is not an extra redirect (so there are 2 redirects to
the final source)

p2-maven-plugin/src/main/java/org/eclipse/tycho/p2maven/transport/SharedHttpCacheStorage.java

@@ -89,7 +89,8 @@ protected boolean removeEldestEntry(final Map.Entry<File, CacheLine> eldest) {
      *             if the URI is know to be not found
      */
 	@Override
-	public CacheEntry getCacheEntry(URI uri, Logger logger) throws FileNotFoundException {
+	public CacheEntry getCacheEntry(URI uriParam, Logger logger) throws FileNotFoundException {
+		URI uri = uriParam.normalize();
         CacheLine cacheLine = getCacheLine(uri);
 		if (!cacheConfig.isUpdate()) { // if not updates are forced ...
             int code = cacheLine.getResponseCode();