[master] 7dd4e73 Be consistent about signed-ness.

[Poul-Henning Kamp]

commit 7dd4e7392918be36c01684d50de6c250f0341f9f
Author: Poul-Henning Kamp <phk at FreeBSD.org>
Date:   Wed Mar 11 08:41:18 2015 +0000

    Be consistent about signed-ness.

diff --git a/bin/varnishd/http1/cache_http1_vfp.c b/bin/varnishd/http1/cache_http1_vfp.c
index 70e0e03..90ac22e 100644
--- a/bin/varnishd/http1/cache_http1_vfp.c
+++ b/bin/varnishd/http1/cache_http1_vfp.c
@@ -47,7 +47,7 @@
  */
 
 static ssize_t
-v1f_read(const struct vfp_ctx *vc, struct http_conn *htc, void *d, size_t len)
+v1f_read(const struct vfp_ctx *vc, struct http_conn *htc, void *d, ssize_t len)
 {
 	ssize_t l;
 	unsigned char *p;