(cksum): Constify a char*.

diff --git a/src/cksum.c b/src/cksum.c
index c49fdce5cf0838e01429dd7c4ea002194f805781..db4db25dabc189822cc89dd77f751f0a24e7682c 100644 (file)
--- a/src/cksum.c
+++ b/src/cksum.c
@@ -192,7 +192,7 @@ static int have_read_stdin;
    Return 0 if successful, -1 if an error occurs. */
 
 static int
-cksum (char *file, int print_name)
+cksum (const char *file, int print_name)
 {
   unsigned char buf[BUFLEN];
   unsigned long crc = 0;