* luci/admin-full: fix another possible nil value

diff --git a/modules/admin-full/luasrc/model/cbi/admin_system/fstab.lua b/modules/admin-full/luasrc/model/cbi/admin_system/fstab.lua
index 35c85c6..7873842 100644 (file)
--- a/modules/admin-full/luasrc/model/cbi/admin_system/fstab.lua
+++ b/modules/admin-full/luasrc/model/cbi/admin_system/fstab.lua
@@ -48,7 +48,7 @@ end
 
 used = v:option(DummyValue, "used", translate("a_s_fstab_used"))
 function used.cfgvalue(self, section)
-       return mounts[section].percent .. " (" ..
+       return ( mounts[section].percent or "0%" ) .. " (" ..
        luci.tools.webadmin.byte_format(
                ( tonumber(mounts[section].used) or 0 ) * 1024
        ) .. ")"