Fixed jamendo playlist demuxer.

The check is a bit less strict to adapt to the various URL we can get.
It closes #5661.

share/lua/playlist/jamendo.lua

@@ -25,8 +25,10 @@ require "simplexml"
 -- Probe function.
 function probe()
     return vlc.access == "http"
-        and string.match( vlc.path, "jamendo.com/get2/" )
-        and string.match( vlc.path, "/track/xml/" )
+        and string.match( vlc.path, "api.jamendo.com/" )
+        and string.match( vlc.path, "get2" )
+        and string.match( vlc.path, "track" )
+        and string.match( vlc.path, "xml" )
 end
 
 -- Parse function.