[libmemcached] add BR libasan

[Remi Collet]

commit 0a4c7d63426f04d83c667bda8164006df269e483
Author: Remi Collet <remi at fedoraproject.org>
Date:   Thu Apr 4 14:42:19 2013 +0200

    add BR libasan

 libmemcached.spec |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/libmemcached.spec b/libmemcached.spec
index 853b897..b6c3316 100644
--- a/libmemcached.spec
+++ b/libmemcached.spec
@@ -29,6 +29,9 @@ BuildRequires: memcached
 BuildRequires: systemtap-sdt-devel
 %endif
 BuildRequires: libevent-devel
+%if 0%{?fedora} >= 19
+BuildRequires: libasan
+%endif
 
 
 %description