Add recursive option to issue-3253 test

Author: sasurau4

tests/source/issue-3253/lib.rs

@@ -1,3 +1,4 @@
+// rustfmt-recursive: true
 #[macro_use]
 extern crate cfg_if;
 

tests/target/issue-3253/lib.rs

@@ -1,3 +1,4 @@
+// rustfmt-recursive: true
 #[macro_use]
 extern crate cfg_if;