From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sat, 14 Aug 2021 21:09:40 +0000 (-0700)
Subject: dot_polygon: take a const pointer for a string that is not modified
X-Git-Tag: 2.49.0~9^2~9
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=790fc9f5f85350466f99ef905d5f5944183ec0c7;p=graphviz

dot_polygon: take a const pointer for a string that is not modified
---

diff --git a/cmd/gvmap/make_map.c b/cmd/gvmap/make_map.c
index 53e9926df..262bc63b6 100644
--- a/cmd/gvmap/make_map.c
+++ b/cmd/gvmap/make_map.c
@@ -245,7 +245,7 @@ static void plot_dot_labels(FILE *f, int n, int dim, real *x, char **labels, flo
 }
 
 static void dot_polygon(agxbuf *sbuff, int np, float *xp, float *yp, real line_width,  
-			int fill, char *cstring){
+                        int fill, const char *cstring){
 
   if (np > 0){
     if (fill >= 0){