tidy up strtok use

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/shell/ash.c b/shell/ash.c
index 8a1628e81..17121aa9b 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -2556,7 +2556,7 @@ updatepwd(const char *dir)
                         new = stack_putstr(p, new);
                         USTPUTC('/', new);
                 }
-                p = strtok(0, "/");
+                p = strtok(NULL, "/");
         }
         if (new > lim)
                 STUNPUTC(new);