[gyp/el5] Add BuildRoot

[Akira TAGOH]

commit 8564e400da5096bdaf212d4b3fc0bf59e246fd00
Author: Akira TAGOH <tagoh at redhat.com>
Date:   Thu Aug 25 13:37:05 2011 +0900

    Add BuildRoot

 gyp.spec |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gyp.spec b/gyp.spec
index 850a3a7..8f37ac8 100644
--- a/gyp.spec
+++ b/gyp.spec
@@ -25,6 +25,7 @@ Patch0:		gyp-rpmoptflags.patch
 
 BuildRequires:	python2-devel
 BuildArch:	noarch
+BuildRoot:	%{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 %description
 GYP is a tool to generates native Visual Studio, Xcode and SCons