FIX: media/sevenload.lua: JSON extraction pattern
FIX: media/sevenload.lua: JSON extraction pattern

Otherwise LuaJSON would exit with an error:
../lua/5.1/json/decode/state.lua:151: Value set when one already in slot

Signed-off-by: Toni Gundogdu <eac2284b3c43676907b96f08de9d3d52d5df0361@gmail.com>

legatvs/libquvi-scripts,legatvs/libquvi-scripts,alech/libquvi-scripts,alech/libquvi-scripts