(touch): Qualify a char* with the `const' keyword.

diff --git a/src/touch.c b/src/touch.c
index 9140493..3b01ab3 100644 (file)
--- a/src/touch.c
+++ b/src/touch.c
@@ -106,7 +106,7 @@ static int const time_masks[] =
    Return 0 if successful, 1 if an error occurs. */
 
 static int
-touch (char *file)
+touch (const char *file)
 {
   int status;
   struct stat sbuf;