cabana: round signal raw value for value description

old-commit-hash: e57f3ab4da

tools/cabana/dbc/dbc.cc

@@ -131,7 +131,7 @@ void cabana::Signal::update() {
 
 QString cabana::Signal::formatValue(double value) const {
   // Show enum string
-  int64_t raw_value = (value - offset) / factor;
+  int64_t raw_value = round((value - offset) / factor);
   for (const auto &[val, desc] : val_desc) {
     if (std::abs(raw_value - val) < 1e-6) {
       return desc;