corrected formatting

Signed-off-by: vikiawv <vikiawv@noreply.codeberg.org>

libs/indexer/road_shields_parser.cpp

@@ -662,6 +662,7 @@ public:
 
 class SwitzerlandRoadShieldParser : public SimpleRoadShieldParser
 {
+public:
   explicit SwitzerlandRoadShieldParser(std::string const & baseRoadNumber)
     : SimpleRoadShieldParser(baseRoadNumber, {{"A", RoadShieldType::Highway_Hexagon_Red}})
   {}