fix INVALID_NAME_ID vs INVALID_NAMEID -> EMPTY_NAMEID

include/extractor/guidance/constants.hpp

@@ -20,13 +20,12 @@ const double constexpr GROUP_ANGLE = 60;
 // angle difference that can be classified as straight, if its the only narrow turn
 const double constexpr FUZZY_ANGLE_DIFFERENCE = 20.;
 const double constexpr DISTINCTION_RATIO = 2;
-const unsigned constexpr INVALID_NAME_ID = 0;
 
 const double constexpr MAX_ROUNDABOUT_INTERSECTION_RADIUS = 5;
 const double constexpr MAX_ROUNDABOUT_RADIUS = 15; // 30 m diameter as final distinction
 const double constexpr INCREASES_BY_FOURTY_PERCENT = 1.4;
 
-const unsigned constexpr MAX_SLIPROAD_THRESHOLD = 250;
+const int constexpr MAX_SLIPROAD_THRESHOLD = 250;
 
 } // namespace guidance
 } // namespace extractor

include/util/typedefs.hpp

@@ -71,6 +71,7 @@ static const NodeID SPECIAL_NODEID = std::numeric_limits<unsigned>::max();
 static const NodeID SPECIAL_SEGMENTID = std::numeric_limits<int>::max();
 static const EdgeID SPECIAL_EDGEID = std::numeric_limits<unsigned>::max();
 static const unsigned INVALID_NAMEID = std::numeric_limits<unsigned>::max();
+static const unsigned EMPTY_NAMEID = 0;
 static const unsigned INVALID_COMPONENTID = 0;
 static const EdgeWeight INVALID_EDGE_WEIGHT = std::numeric_limits<int>::max();