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_data.h b/src/tree_data.h
index ebb7620..34524dc 100644
--- a/src/tree_data.h
+++ b/src/tree_data.h
@@ -20,6 +20,10 @@
#include "log.h"
+#ifdef __cplusplus
+extern "C" {
+#endif
+
struct ly_ctx;
struct ly_path;
struct ly_set;
@@ -28,10 +32,6 @@
struct lys_module;
struct lysc_node;
-#ifdef __cplusplus
-extern "C" {
-#endif
-
/**
* @defgroup datatree Data Tree
* @ingroup trees