fix indentation

eatit.lua

@@ -27,14 +27,14 @@ local function tablelength(T)
 end
 
 local function fileexists(name)
-   local ok, err, code = os.rename(name, name)
+  local ok, err, code = os.rename(name, name)
-   if not ok then
+  if not ok then
-      if code == 13 then
+    if code == 13 then
-         -- Permission denied, but it exists
+      -- Permission denied, but it exists
-         return true
+      return true
-      end
+    end
-   end
+  end
-   return ok, err
+  return ok, err
 end
 
 local function testforslash(str)