Fix build on Windows.

Telegram/SourceFiles/statistics/statistics_data_deserialize.cpp

@@ -61,7 +61,8 @@ Data::StatisticalChart StatisticalChartFromJSON(const QByteArray &json) {
 			line.isHiddenOnStart = ranges::contains(hiddenLines, columnId);
 			line.y.resize(length);
 			for (auto i = 0; i < length; i++) {
-				const auto value = array.at(i + 1).toInteger();
+				const auto value = int(base::SafeRound(
+					array.at(i + 1).toDouble()));
 				line.y[i] = value;
 				if (value > line.maxValue) {
 					line.maxValue = value;