doc sccmap: remove unused unistd.h #include

Gitlab: #2204

diff --git a/doc/libgraph/sccmap.c b/doc/libgraph/sccmap.c
index 4c2bba84dc98f9493c5602bbfa382844943f29c3..8402a1d8304cbaa24366069ba27734a94299d132 100644 (file)
--- a/doc/libgraph/sccmap.c
+++ b/doc/libgraph/sccmap.c
@@ -8,13 +8,8 @@
  * Contributors: See CVS logs. Details at http://www.graphviz.org/
  *************************************************************************/
 
-#include "config.h"
-
 #include <stdio.h>
 #include <stdlib.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
 #include "cgraph.h"
 #include "exit.h"
 #include "ingraphs.h"