lua: fix mix of spaces & tabs

client/scripts/cmdline.lua

@@ -1,12 +1,12 @@
 print("This is how a cmd-line interface could be implemented\nPrint 'exit' to exit.\n")
 local answer
 repeat
-  	io.write("$>")
-  	io.flush()
-  	answer=io.read()
-  	if answer ~= 'exit' then
-  		local func = assert(loadstring("return " .. answer))
-  		io.write("\n"..tostring(func() or "").."\n");
-  	end--]]
-until answer=="exit" 
+    io.write("$>")
+    io.flush()
+    answer=io.read()
+    if answer ~= 'exit' then
+        local func = assert(loadstring("return " .. answer))
+        io.write("\n"..tostring(func() or "").."\n");
+    end--]]
+until answer=="exit"
 print("Bye\n");