[packages/cargo] add missing buildroot

[glen]

commit 7f7cc5c515f8add54561559019f010a10d755992
Author: Elan Ruusamäe <glen at pld-linux.org>
Date:   Sun Jul 2 23:53:15 2017 +0300

    add missing buildroot

 cargo.spec | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/cargo.spec b/cargo.spec
index 9fe7378..f13bf86 100644
--- a/cargo.spec
+++ b/cargo.spec
@@ -44,6 +44,7 @@ BuildRequires:	pkgconfig
 BuildRequires:	zlib-devel
 Requires:	rust
 ExclusiveArch:	%{x8664} %{ix86}
+BuildRoot:	%{tmpdir}/%{name}-%{version}-root-%(id -u -n)
 
 %define rust_triple %{_target_cpu}-unknown-linux-gnu
 
================================================================

---- gitweb:

http://git.pld-linux.org/gitweb.cgi/packages/cargo.git/commitdiff/7f7cc5c515f8add54561559019f010a10d755992