[linphone] fix Requires

[nucleo]

commit a7bfbe3f1d8139bbb3dc5965643f62c581581bc5
Author: nucleo <nucleo at fedoraproject.org>
Date:   Mon Feb 20 16:26:58 2012 +0200

    fix Requires

 linphone.spec |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/linphone.spec b/linphone.spec
index bf7746f..5db0ca7 100644
--- a/linphone.spec
+++ b/linphone.spec
@@ -47,7 +47,7 @@ BuildRequires:  libglade2-devel
 BuildRequires:  intltool
 
 BuildRequires:  ortp-devel >= 1:0.18.0
-Requires:       ortp >= 1:0.18.0
+Requires:       ortp%{?_isa} >= 1:0.18.0
 
 %description
 Linphone is mostly sip compliant. It works successfully with these