fix: compiling without obfuscate flag (#15)

* fix: compiling with obfuscate flag

* formatting

* rustfmt

---------

Co-authored-by: Jackson Coxson <jkcoxson@gmail.com>

idevice/src/util.rs

@@ -136,7 +136,7 @@ macro_rules! obf {
         }
         #[cfg(not(feature = "obfuscate"))]
         {
-            $lit
+            std::borrow::Cow::Borrowed($lit)
         }
     }};
 }