gvcolor: remove unused unistd.h #include

Gitlab: #2204

diff --git a/cmd/tools/gvcolor.c b/cmd/tools/gvcolor.c
index 263e406f3de0f2c4b9a90c75bf681230969aedbc..e2112a376e83ea5df93da749aa400665ced2e374 100644 (file)
--- a/cmd/tools/gvcolor.c
+++ b/cmd/tools/gvcolor.c
@@ -14,8 +14,6 @@
  * Updated by Emden Gansner
  */
 
-#include "config.h"
-
 /* if NC changes, a bunch of scanf calls below are in trouble */
 #define        NC      3               /* size of HSB color vector */
 
@@ -35,9 +33,6 @@ typedef struct Agnodeinfo_t {
 
 #include <ingraphs/ingraphs.h>
 #include <stdio.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
 
 #include <getopt.h>