Change calls to dynstr_cat to use (void*)NULL instead of plain NULL.

This avoids problems when NULL is #defined as 0, and is being used
in a variable argument list.

Thanks to Richard Braakman for pointing this out.

1 files changed, 2 insertions, 2 deletions

diff --git a/dynstr.c b/dynstr.c
index d4ae012..e5f6878 100644
--- a/dynstr.c
+++ b/dynstr.c
@@ -446,7 +446,7 @@ static Dynstr *readline_helper(int (*callback)(FILE *, int), FILE *f, int fd)
             temp1 = dynstr_new_from_memory(buf, buflen);
             if (temp1 == NULL)
                 goto error;
-            temp2 = dynstr_cat(line, temp1, NULL);
+            temp2 = dynstr_cat(line, temp1, (void *) NULL);
             if (temp2 == NULL)
                 goto error;
             dynstr_free(temp1);
@@ -463,7 +463,7 @@ static Dynstr *readline_helper(int (*callback)(FILE *, int), FILE *f, int fd)
         temp1 = dynstr_new_from_memory(buf, buflen);
         if (temp1 == NULL)
             goto error;
-        temp2 = dynstr_cat(line, temp1, NULL);
+        temp2 = dynstr_cat(line, temp1, (void *) NULL);
         if (temp2 == NULL)
             goto error;
         dynstr_free(temp1);