always set the EU level don't wait for production = 0.

Vanessa Ezekowitz

2017-04-09 72c536c04eb98aae29e983acd761bc94d7d26ca9

 technic/machines/LV/water_mill.lua

@@ -50,9 +50,7 @@
   eu_supply = math.min(35 * water_flow, max_output)
   production_level = math.floor(100 * eu_supply / max_output)

   if production_level > 0 then
      meta:set_int("LV_EU_supply", eu_supply)
   end
   meta:set_int("LV_EU_supply", eu_supply)

   meta:set_string("infotext",
      S("Hydro %s Generator"):format("LV").." ("..production_level.."%)")