mark pps parameter to limitBoxes as const

To more obviously indicate this parameter is not modified.

diff --git a/lib/common/routespl.c b/lib/common/routespl.c
index fe81e12a570900d4b6a1e592b1e9a1af702235c9..6c6f6846b9ccff3f32eb29a72ee4f72ad98ca30f 100644 (file)
--- a/lib/common/routespl.c
+++ b/lib/common/routespl.c
@@ -315,7 +315,7 @@ void routesplinesterm()
 }
 
 static void
-limitBoxes (boxf* boxes, int boxn, pointf *pps, int pn, int delta)
+limitBoxes (boxf* boxes, int boxn, const pointf *pps, int pn, int delta)
 {
     int bi, si, splinepi;
     double t;