move config.h to top of includes

now that _GNU_SOURCE definition is in config.h we want to make sure that
all headers that are included know about it

1 files changed, 2 insertions, 1 deletions

diff --git a/src/mark.c b/src/mark.c
index 5d2eb19..a7aaae2 100644
--- a/src/mark.c
+++ b/src/mark.c
@@ -26,6 +26,8 @@
  ****************************************************************
  */
 
+#include "config.h"
+
 #include "mark.h"
 
 #include <sys/types.h>
@@ -34,7 +36,6 @@
 #include <stdint.h>
 #include <stdbool.h>
 
-#include "config.h"
 #include "screen.h"
 
 #include "encoding.h"