Fix a recent change

* src/dispnew.c (sit_for): Don;t treat nil as zero.  Reported
by Glenn Morris <rgm@gnu.org>.

diff --git a/src/dispnew.c b/src/dispnew.c
index 97c6a446a6b88bf4c9089707b4adfd0ab86ec39b..61ca717079b23a66b12a988e8cd4632e67a1da74 100644 (file)
--- a/src/dispnew.c
+++ b/src/dispnew.c
@@ -5775,7 +5775,7 @@ sit_for (Lisp_Object timeout, bool reading, int display_option)
     }
   else if (BIGNUMP (timeout))
     {
-      if (!Fnatnump (timeout))
+      if (NILP (Fnatnump (timeout)))
        return Qt;
       sec = bignum_to_intmax (timeout);
       if (sec == 0)