fix segfault in "proxy_pass  http://unix:...", the bug appeared in nginx-0.3.47

src/core/ngx_inet.c

diff --git a/src/core/ngx_inet.c b/src/core/ngx_inet.c
index 7b3fef3..5321993 100644
--- a/src/core/ngx_inet.c
+++ b/src/core/ngx_inet.c
@@ -239,6 +239,7 @@
 #if (NGX_HAVE_UNIX_DOMAIN)
 
         u->type = NGX_PARSE_URL_UNIX;
+        u->uri = u->url;
 
         p += 5;
         len -= 5;