burst_buffer/cray: Correct get extra pool info

When extra pools were reported by Cray API, it was not multiplying
  the buffer count by granularity to get the total size, but was
  just getting the counts.

src/plugins/burst_buffer/cray/burst_buffer_cray.c

@@ -1039,8 +1039,8 @@ static void _load_state(bool init_config)
 				= pools[i].quantity * pools[i].granularity;
 			if (bb_state.bb_config.flags & BB_FLAG_EMULATE_CRAY)
 				continue;
-			bb_state.used_space
-				= (pools[i].quantity - pools[i].free) *
+			bb_state.used_space =
+				(pools[i].quantity - pools[i].free) *
 				pools[i].granularity;
 
 			/* Everything else is a generic burst buffer resource */
@@ -1053,12 +1053,15 @@ static void _load_state(bool init_config)
 			gres_ptr = bb_state.bb_config.gres_ptr +
 				bb_state.bb_config.gres_cnt;
 			bb_state.bb_config.gres_cnt++;
-			gres_ptr->avail_cnt = pools[i].quantity;
+			gres_ptr->avail_cnt =
+				pools[i].quantity * pools[i].granularity;
 			gres_ptr->granularity = pools[i].granularity;
 			gres_ptr->name = xstrdup(pools[i].id);
 			if (bb_state.bb_config.flags & BB_FLAG_EMULATE_CRAY)
 				continue;
-			gres_ptr->used_cnt = pools[i].quantity - pools[i].free;
+			gres_ptr->used_cnt =
+				(pools[i].quantity - pools[i].free) *
+				pools[i].granularity;
 		}
 	}
 	pthread_mutex_unlock(&bb_state.bb_mutex);