Update include file hierarchy: Move include file to central include tree

gds-utils/gds-tree-checker.c

@@ -33,9 +33,10 @@
  * @{
  */
 
-#include "gds-tree-checker.h"
 #include <stdio.h>
 
+#include <gds-render/gds-utils/gds-tree-checker.h>
+
 int gds_tree_check_cell_references(struct gds_library *lib)
 {
 	GList *cell_iter;