[spice] Fix -Werror breaking the build

[Hans de Goede]

commit 76e0faac9233fdcab7be4b50423622f6f2e392a9
Author: Hans de Goede <hdegoede at redhat.com>
Date:   Mon Jan 23 18:16:22 2012 +0100

    Fix -Werror breaking the build

 spice.spec |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/spice.spec b/spice.spec
index 278cd9b..25648ab 100644
--- a/spice.spec
+++ b/spice.spec
@@ -70,7 +70,7 @@ using spice-server, you will need to install spice-server-devel.
 
 %build
 %configure --enable-gui --enable-smartcard
-make %{?_smp_mflags}
+make WARN_CFLAGS='' %{?_smp_mflags}
 
 %install
 make DESTDIR=%{buildroot} install