[rubygem-introspection] Add missing BR: rubygem(minitest).

[Vít Ondruch]

commit 32f5b2e38bb592481da4ce90082b51827055998e
Author: Vít Ondruch <vondruch at redhat.com>
Date:   Thu Jan 19 15:01:17 2012 +0100

    Add missing BR: rubygem(minitest).

 rubygem-introspection.spec |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/rubygem-introspection.spec b/rubygem-introspection.spec
index cdda393..3d92737 100644
--- a/rubygem-introspection.spec
+++ b/rubygem-introspection.spec
@@ -32,6 +32,7 @@ BuildRequires: rubygem(metaclass) < 0.1
 # Required to satisfy the 'blankslate' require. May be replaced
 # by rubygem(blankslate) when available in Fedora.
 BuildRequires: rubygem(builder)
+BuildRequires: rubygem(minitest)
 BuildArch: noarch
 Provides: rubygem(%{gem_name}) = %{version}