libnm: cleanup include in "libnm-core/nm-json.c"

We already define _GNU_SOURCE in "config.h", depending
on configure checks.

Also, we always should first include "config.h" (which means
to first include "nm-default.h").

Also, we don't need the entire <link.h>, <dlfcn.h> suffices.

1 files changed, 2 insertions, 3 deletions

diff --git a/libnm-core/nm-json.c b/libnm-core/nm-json.c
index 695ca98eac..f359a76046 100644
--- a/libnm-core/nm-json.c
+++ b/libnm-core/nm-json.c
@@ -16,14 +16,13 @@
  * Copyright 2017, 2018 Red Hat, Inc.
  */
 
-#define _GNU_SOURCE
-#include <link.h>
-
 #include "nm-default.h"
 
 #define NM_JANSSON_C
 #include "nm-json.h"
 
+#include <dlfcn.h>
+
 void *_nm_jansson_json_object_iter_value;
 void *_nm_jansson_json_object_key_to_iter;
 void *_nm_jansson_json_integer;