Don't generate trailing spaces in minetest.conf.example

If the default value of a setting was empty,
it previously generated a trailing space.

diff --git a/builtin/mainmenu/dlg_settings_advanced.lua b/builtin/mainmenu/dlg_settings_advanced.lua
index 35883f05fd76ba9f5e1f48a65b613b3b7dad0436..cab9f169e6ffd93a14b3ee71015e2068a0a91e4f 100644 (file)
--- a/builtin/mainmenu/dlg_settings_advanced.lua
+++ b/builtin/mainmenu/dlg_settings_advanced.lua
@@ -706,7 +706,11 @@ local function create_minetest_conf_example()
                                result = result .. " possible values: " .. entry.possible:gsub(",", ", ")
                        end
                        result = result .. "\n"
-                       result = result .. "# " .. entry.name .. " = ".. entry.default .. "\n\n"
+                       local append = ""
+                       if entry.default ~= "" then
+                               append = " " .. entry.default
+                       end
+                       result = result .. "# " .. entry.name .. " =" .. append .. "\n\n"
                end
        end
        return result