--- ray/src/util/pictool.c	2018/01/24 04:39:52	2.5
+++ ray/src/util/pictool.c	2019/07/19 17:37:56	2.6
@@ -1,10 +1,10 @@
 #ifndef lint
-static const char RCSid[] = "$Id: pictool.c,v 2.5 2018/01/24 04:39:52 greg Exp $";
+static const char RCSid[] = "$Id: pictool.c,v 2.6 2019/07/19 17:37:56 greg Exp $";
 #endif
 #include "pictool.h"
 #include "g3sphere.h"
 #include <math.h>
-#include <string.h>
+#include "rtio.h"
 
 #define        index                  strchr