* tools now depends only on public library interface

src/database.c

@@ -33,7 +33,7 @@ struct _simdb_t {
 };
 
 /** database header format line */
-const char *simdb_hdr_fmt = "IMDB v%02u, CAPS: %s;";
+static const char *simdb_hdr_fmt = "IMDB v%02u, CAPS: %s;";
 
 bool
 simdb_create(const char *path) {

src/simdb-query.c

@@ -15,9 +15,6 @@
  */
 
 #include "common.h"
-#include "bitmap.h"
-#include "record.h"
-#include "io.h"
 #include "simdb.h"
 
 #include <unistd.h>