add links to few upstream reports

however the one where somebody actually tried to submit it, can't find

diff --git a/php-systzdata.patch b/php-systzdata.patch
index 5efc47de4de50bfdde839b0a22e6f09faed668fe..a5a7b9d56c8a4df4d12f82f9700da69d9e601dd9 100644 (file)
--- a/php-systzdata.patch
+++ b/php-systzdata.patch
@@ -1,6 +1,10 @@
 Add support for use of the system timezone database, rather
 than embedding a copy.  Discussed upstream but was not desired.
 
+(Few) upstream reports:
+https://bugs.php.net/bug.php?id=53320
+https://bugs.php.net/bug.php?id=54250
+
 History:
 r13: adapt for upstream changes to use PHP allocator
 r12: adapt for upstream changes for new zic