[grilo-plugins] acoustid: fix the metadata-key name to use

[Victor Toso de Carvalho <victortoso src gnome org>]

commit afc4af77cbf84b3e7fee3367a03de852a8cb6014
Author: Victor Toso <me victortoso com>
Date:   Wed Jun 29 15:42:11 2016 +0200

    acoustid: fix the metadata-key name to use
    
    The correct name for the metadata-key for fingerprint is 'chromaprint'
    provided by grl-chromaprint
    
    Reported-by: Saiful B. Khan <saifulbkhan gmail com>
    
    https://bugzilla.gnome.org/show_bug.cgi?id=768185

 src/lua-factory/sources/grl-acoustid.lua |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/lua-factory/sources/grl-acoustid.lua b/src/lua-factory/sources/grl-acoustid.lua
index bedbf39..1b2cac1 100644
--- a/src/lua-factory/sources/grl-acoustid.lua
+++ b/src/lua-factory/sources/grl-acoustid.lua
@@ -73,7 +73,7 @@ function grl_source_resolve (media, options, callback)
   end
 
   url = string.format (ACOUSTID_LOOKUP, acoustid.api_key, media.duration,
-                       media.acoustid_fingerprint)
+                       media.chromaprint)
   grl.fetch (url, netopts, lookup_cb)
 end