[php] add link to upstream bug

[Remi Collet]

commit 7b3ec7150700f008b5d59888286ea953349e13a4
Author: Remi Collet <remi at fedoraproject.org>
Date:   Mon Oct 1 14:34:32 2012 +0200

    add link to upstream bug

 php.spec |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/php.spec b/php.spec
index 9e5cb4e..c2258bf 100644
--- a/php.spec
+++ b/php.spec
@@ -75,6 +75,7 @@ Patch7: php-5.3.0-recode.patch
 Patch8: php-5.4.7-libdb.patch
 
 # Fixes for extension modules
+# https://bugs.php.net/63126 - DISABLE_AUTHENTICATOR ignores array
 Patch20: php-5.4.7-imap.patch
 # https://bugs.php.net/63171 no odbc call during timeout
 Patch21: php-5.4.7-odbctimer.patch