Clean up #includes and add fields for counting attributes

serial.hpp

@@ -1,3 +1,11 @@
+#ifndef SERIAL_HPP
+#define SERIAL_HPP
+
+#include <stddef.h>
+#include <stdio.h>
+#include <vector>
+#include "geometry.hpp"
+
 size_t fwrite_check(const void *ptr, size_t size, size_t nitems, FILE *stream, const char *fname);
 
 void serialize_int(FILE *out, int n, long long *fpos, const char *fname);
@@ -47,3 +55,5 @@ struct serial_feature {
 };
 
 void serialize_feature(FILE *geomfile, serial_feature *sf, long long *geompos, const char *fname, long long wx, long long wy, bool include_minzoom);
+
+#endif