(oatoi): declare arg to be const

diff --git a/lib/modechange.c b/lib/modechange.c
index 10e65fb..a2568e5 100644 (file)
--- a/lib/modechange.c
+++ b/lib/modechange.c
@@ -59,7 +59,7 @@ char *malloc;
    octal number S.  If S is not an octal number, return -1.  */
 
 static int
-oatoi (char *s)
+oatoi (const char *s)
 {
   register int i;