build it

src/QtLocationPlugin/QGCMapUrlEngine.cpp

@@ -36,7 +36,7 @@
 static const unsigned char pngSignature[]   = {0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A, 0x00};
 static const unsigned char jpegSignature[]  = {0xFF, 0xD8, 0xFF, 0x00};
 static const unsigned char gifSignature[]   = {0x47, 0x49, 0x46, 0x38, 0x00};
-static const unsigned char jsonSignature[]  = {0x7A, 0x22, 0x00}; // two characters '{"'
+static const unsigned char jsonSignature[]  = {0x7B, 0x22, 0x00}; // two characters '{"'
 
 //-----------------------------------------------------------------------------
 UrlFactory::UrlFactory()

src/Terrain.cc

@@ -211,7 +211,7 @@ void ElevationProvider::_fetchedTile()
     if (terrainTile->isValid()) {
         _tilesMutex.lock();
         if (!_tiles.contains(hash)) {
-            _tiles.insert(hash), *terrainTile);
+            _tiles.insert(hash, *terrainTile);
         } else {
             delete terrainTile;
         }

src/Terrain.h

@@ -64,7 +64,7 @@ private slots:
 
 private:
 
-    QString _getTileHash(const QGeoCoordinate& coordinate);     /// Method to create a unique string for each tile. Format: south_west_north_east as floats.
+    QString _getTileHash(const QGeoCoordinate& coordinate);     /// Method to create a unique string for each tile
 
     enum class State {
         Idle,