eet: remove useless assignment in eet cipher and silence warning.

Summary:

Signed-off-by: Vivek Ellur <vivek.ellur@samsung.com>

Reviewers: cedric

Reviewed By: cedric

Subscribers: cedric

Differential Revision: https://phab.enlightenment.org/D3310

Signed-off-by: Cedric BAIL <cedric@osg.samsung.com>

src/lib/eet/eet_cipher.c

@@ -260,8 +260,8 @@ eet_identity_close(Eet_Key *key)
    EVP_PKEY_free(key->private_key);
 # endif /* ifdef HAVE_GNUTLS */
    free(key);
-#else
-   key = NULL;
+# else
+   (void)key;
 #endif /* ifdef HAVE_SIGNATURE */
 }