gml2gv: remove unused unistd.h #include

Gitlab: #2204

diff --git a/cmd/tools/gml2gv.c b/cmd/tools/gml2gv.c
index 14d30cb42dfa71bc2f6ef213534688f12f971e9f..829eb5631d32be93220b71c82765538283133ff6 100644 (file)
--- a/cmd/tools/gml2gv.c
+++ b/cmd/tools/gml2gv.c
@@ -8,14 +8,9 @@
  * Contributors: Details at https://graphviz.org
  *************************************************************************/
 
-#include "config.h"
-
 #include "gml2gv.h"
 #include <stdlib.h>
 #include <string.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
 
 #include <getopt.h>