Initialize members in headers

Fixes some cases where these members are not initalized

Author: nyalldawson

src/tile/FileDimInfo.hpp

@@ -22,14 +22,14 @@ struct FileDimInfo
     FileDimInfo()
     {}
 
-    FileDimInfo(const std::string& name) : name(name), extraDim(false)
+    FileDimInfo(const std::string& name) : name(name)
     {}
 
     std::string name;
-    pdal::Dimension::Type type;
-    int offset;
-    pdal::Dimension::Id dim;
-    bool extraDim;
+    pdal::Dimension::Type type {pdal::Dimension::Type::None};
+    int offset {0};
+    pdal::Dimension::Id dim {pdal::Dimension::Id::Unknown};
+    bool extraDim {false};
 };
 
 using DimInfoList = std::vector<FileDimInfo>;

src/utils.hpp

@@ -49,9 +49,9 @@ struct Tiling
 // where N,M are some integer values
 struct TileAlignment
 {
-    double originX;
-    double originY;
-    double tileSize;
+    double originX {-1};
+    double originY {-1};
+    double tileSize {1000};
 
     // returns tiling that fully covers given bounding box, using this tile alignment
     Tiling coverBounds(const BOX2D &box) const