headers MAINTENANCE headers/include cleanup
- add missing extern "C" in some of the public headers for use in C++
- includes cleanup and fix ordering
diff --git a/src/tree_schema_helpers.c b/src/tree_schema_helpers.c
index fa32f8f..f1ad8b9 100644
--- a/src/tree_schema_helpers.c
+++ b/src/tree_schema_helpers.c
@@ -16,23 +16,18 @@
#include <assert.h>
#include <ctype.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <limits.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
-#include <unistd.h>
#include "common.h"
#include "config.h"
#include "context.h"
-#include "dict.h"
#include "hash_table.h"
#include "log.h"
-#include "plugins_exts.h"
#include "parser.h"
+#include "parser_schema.h"
#include "parser_internal.h"
#include "set.h"
#include "tree.h"