fix: update simple.c example for latest API

diff --git a/dot.demo/simple.c b/dot.demo/simple.c
index a8f8efab947f9a4fc4f044349dcbdaf96f9bb948..bf11b3fc6ec6f99bbb5489382f2a94b20a3af931 100644 (file)
--- a/dot.demo/simple.c
+++ b/dot.demo/simple.c
@@ -11,7 +11,7 @@
  * Contributors: See CVS logs. Details at http://www.graphviz.org/
  *************************************************************************/
 
-#include <gvc.h>
+#include <graphviz/gvc.h>
 
 int main(int argc, char **argv)
 {