[avahi] Add %{?rhel} conditional.

[Bill Nottingham]

commit 5aa21334c0d9ecda25d606e57b6ecbd41806dcdb
Author: Bill Nottingham <notting at redhat.com>
Date:   Wed Dec 7 16:56:28 2011 -0500

    Add %{?rhel} conditional.

 avahi.spec |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/avahi.spec b/avahi.spec
index ba5bebb..af59665 100644
--- a/avahi.spec
+++ b/avahi.spec
@@ -4,6 +4,10 @@
 %ifarch sparc64 s390 %{arm}
 %define WITH_MONO 0
 %endif
+%if 0%{?rhel}
+%define WITH_MONO 0
+%endif
+
 Name:           avahi
 Version:        0.6.30
 Release:        6%{?dist}