LogCompressor: Do not use deprecated QString enum with Qt 5.15.0

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

src/LogCompressor.cc

@@ -55,7 +55,11 @@ void LogCompressor::run()
 
     QString outFileName;
 
+#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
     QStringList parts = QFileInfo(infile.fileName()).absoluteFilePath().split(".", QString::SkipEmptyParts);
+#else
+    QStringList parts = QFileInfo(infile.fileName()).absoluteFilePath().split(".", Qt::SkipEmptyParts);
+#endif
 
     parts.replace(0, parts.first() + "_compressed");
     parts.replace(parts.size()-1, "txt");