Avoid unused variable

Signed-off-by: Jakub Jelen <[email protected]>

Author: Jakuje

src/lib/SoftHSM.cpp

@@ -6806,7 +6806,6 @@ CK_RV SoftHSM::UnwrapKeySym
 
 	default:
 		// Unwrap the key
-		CK_RV rv = CKR_OK;
 		if (!cipher->unwrapKey(unwrappingkey, mode, wrapped, keydata))
 			rv = CKR_GENERAL_ERROR;
 		cipher->recycleKey(unwrappingkey);