add error enumeartion for license error

icicle_v3/include/icicle/errors.h

@@ -24,6 +24,7 @@ namespace icicle {
     API_NOT_IMPLEMENTED,       ///< The API is not implemented for a device
     INVALID_ARGUMENT,          ///< Invalid argument passed
     BACKEND_LOAD_FAILED,       ///< Failed to load the backend
+    LICNESE_CHECK_ERROR,       ////< Failed to check license or invalid license
     UNKNOWN_ERROR,             ///< An unknown error occurred
   };
 
@@ -62,6 +63,8 @@ namespace icicle {
       return "eIcicleError::INVALID_ARGUMENT";
     case eIcicleError::BACKEND_LOAD_FAILED:
       return "eIcicleError::BACKEND_LOAD_FAILED";
+    case eIcicleError::LICNESE_CHECK_ERROR:
+      return "eIcicleError::LICNESE_CHECK_ERROR";
     case eIcicleError::UNKNOWN_ERROR:
     default:
       return "eIcicleError::UNKNOWN_ERROR";

icicle_v3/include/icicle/msm.h

@@ -71,6 +71,7 @@ namespace icicle {
       false,   // are_points_montgomery_form
       false,   // are_results_on_device
       false,   // is_async
+      nullptr, // ext
     };
     return config;
   }