[rfc][icedtea-web] another decoding/encoding file/url fix

[Jiri Vanek]

This is very simple fix for https://bugzilla.redhat.com/show_bug.cgi?id=1154177 and it seems that encoding are flowing here and back without any order:(

J.
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diff -r 016df62ed7a3 netx/net/sourceforge/jnlp/cache/ResourceTracker.java
--- a/netx/net/sourceforge/jnlp/cache/ResourceTracker.java	Mon Oct 20 17:44:45 2014 +0200
+++ b/netx/net/sourceforge/jnlp/cache/ResourceTracker.java	Tue Oct 21 14:56:38 2014 +0200
@@ -396,8 +396,16 @@
 
             if (location.getProtocol().equalsIgnoreCase("file")) {
                 File file = UrlUtils.decodeUrlAsFile(location);
-                if (file.exists())
+                if (file.exists()) {
                     return file;
+                }
+                // try plain, not decoded file now
+                // sometimes the jnlp app developers are encoding for us
+                // so we end up encoding already encoded file. See RH1154177
+                file = new File(location.getFile());
+                 if (file.exists()) {
+                    return file;
+                }
             }
 
             return null;