[grilo-plugins] metrolyrics: char '%' is invalid in metrolyrics url

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

commit e80c26e2f40926495ca41a5d9a1ae3d486343d87
Author: Victor Toso <me victortoso com>
Date:   Fri Apr 29 11:14:39 2016 +0200

    metrolyrics: char '%' is invalid in metrolyrics url
    
    We should not include '%' or its encoded version to metrolyrics
    requests.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=764814

 src/lua-factory/sources/grl-metrolyrics.lua |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/lua-factory/sources/grl-metrolyrics.lua b/src/lua-factory/sources/grl-metrolyrics.lua
index ebae835..8e244f1 100644
--- a/src/lua-factory/sources/grl-metrolyrics.lua
+++ b/src/lua-factory/sources/grl-metrolyrics.lua
@@ -45,7 +45,7 @@ netopts = {
 -- Source utils --
 ------------------
 
-METROLYRICS_INVALID_URL_CHARS = "[" .. "%(%)%[%]%$%&" .. "]"
+METROLYRICS_INVALID_URL_CHARS = "[" .. "%(%)%[%]%$%&%%" .. "]"
 METROLYRICS_DEFAULT_QUERY = "http://www.metrolyrics.com/%s-lyrics-%s.html";
 
 ---------------------------------