doc: fix go dev example code for FromSlicePtrOr

README.md

@@ -2759,7 +2759,7 @@ Returns a slice with the pointer values or the fallback value.
 str1 := "hello"
 str2 := "world"
 
-ptr := lo.FromSlicePtrOr([]*string{&str1, nil, &str2}, "fallback value")
+ptr := lo.FromSlicePtrOr([]*string{&str1, &str2, nil}, "fallback value")
 // []string{"hello", "world", "fallback value"}
 ```