Make sure when we cast as a pointer we don't truncate.

Patch by Daniel Gryniewicz.

--- ssl/ssltest.c
+++ ssl/ssltest.c
@@ -1541,4 +1541,4 @@
 	fprintf(stderr, "Arg is: %s\n", (char *)arg);
-	fprintf(stderr, "Finished printing do we have a context? 0x%x a cert? 0x%x\n",
-			(unsigned int)ctx, (unsigned int)ctx->cert);
+	fprintf(stderr, "Finished printing do we have a context? 0x%p a cert? 0x%p\n",
+			ctx, ctx->cert);
 	if (ctx->cert)