[vagrant] Be more specific about RSpec, since RSpec version 3.x recently landed in Fedora.

[Vít Ondruch]

commit a977236a7781db76a080852320a7ad3fea33aa19
Author: Vít Ondruch <vondruch at redhat.com>
Date:   Thu Nov 20 13:42:56 2014 +0100

    Be more specific about RSpec, since RSpec version 3.x recently landed in Fedora.

 vagrant.spec |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/vagrant.spec b/vagrant.spec
index 9aadec6..b7a4ca2 100644
--- a/vagrant.spec
+++ b/vagrant.spec
@@ -58,7 +58,7 @@ BuildRequires: rubygem(nokogiri)
 BuildRequires: rubygem(i18n)
 BuildRequires: rubygem(erubis)
 BuildRequires: rubygem(rb-inotify)
-BuildRequires: rubygem(rspec)
+BuildRequires: rubygem(rspec) < 3
 BuildRequires: rubygem(bundler)
 BuildRequires: pkgconfig(bash-completion)
 BuildArch: noarch