[packages/libplist] add upstream link

[glen]

commit 34d2217b5c6bd755cdd81063b3ea452e8ee92535
Author: Elan Ruusamäe <glen at delfi.ee>
Date:   Wed Jan 20 23:23:50 2016 +0200

    add upstream link

 libplist-link.patch | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/libplist-link.patch b/libplist-link.patch
index 6f5c15d..484282f 100644
--- a/libplist-link.patch
+++ b/libplist-link.patch
@@ -1,3 +1,6 @@
+upstream:
+https://github.com/libimobiledevice/libplist/pull/71
+
 --- libplist-1.11/cython/Makefile.am.orig	2013-12-13 00:46:18.000000000 +0100
 +++ libplist-1.11/cython/Makefile.am	2016-01-20 21:54:30.895444952 +0100
 @@ -20,7 +20,7 @@
================================================================

---- gitweb:

http://git.pld-linux.org/gitweb.cgi/packages/libplist.git/commitdiff/34d2217b5c6bd755cdd81063b3ea452e8ee92535