Fix compiler warning.
* test/testskiplist.c
(skiplist_get_size): Return size_t instead of int.
static apr_pool_t *ptmp = NULL;
static apr_skiplist *skiplist = NULL;
-static int skiplist_get_size(abts_case *tc, apr_skiplist *sl)
+static size_t skiplist_get_size(abts_case *tc, apr_skiplist *sl)
{
size_t size = 0;
apr_skiplistnode *n;
