Don't need to convert to string

Author: Kimahriman

rust/src/security/gssapi.rs

@@ -62,7 +62,7 @@ static LIBGSSAPI: Lazy<Option<bindings::GSSAPI>> = Lazy::new(|| {
     let library_name = "libgssapi_krb5.so.2";
 
     #[cfg(not(target_os = "linux"))]
-    let library_name = library_filename("gssapi_krb5").into_string().unwrap();
+    let library_name = library_filename("gssapi_krb5");
 
     #[cfg(not(any))]
     match unsafe { bindings::GSSAPI::new(library_name) } {