Patch up something I missed on pulling from the main repo

Author: JarredAllen

clippy_lints/src/lib.rs

@@ -277,6 +277,7 @@ mod non_copy_const;
 mod non_expressive_names;
 mod open_options;
 mod option_env_unwrap;
+mod option_if_let_else;
 mod overflow_check_conditional;
 mod panic_unimplemented;
 mod partialeq_ne_impl;