[gnome-shell] Add a missing %{?_isa}

[Kalev Lember]

commit d4bceda20194a65ecbc2e5b1974da474d2b9df76
Author: Kalev Lember <kalevlember at gmail.com>
Date:   Sun Jun 2 18:47:23 2013 +0200

    Add a missing %{?_isa}

 gnome-shell.spec |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gnome-shell.spec b/gnome-shell.spec
index b4273bf..f717fcc 100644
--- a/gnome-shell.spec
+++ b/gnome-shell.spec
@@ -74,7 +74,7 @@ BuildRequires: gtk-doc gnome-common
 %ifnarch s390 s390x
 Requires:       gnome-bluetooth%{?_isa} >= %{gnome_bluetooth_version}
 %endif
-Requires:       gnome-desktop3 >= %{gnome_desktop_version}
+Requires:       gnome-desktop3%{?_isa} >= %{gnome_desktop_version}
 Requires:       gnome-menus%{?_isa} >= %{gnome_menus_version}
 Requires:       gnome-session-xsession
 # wrapper script uses to restart old GNOME session if run --replace