[rubygem-rack-cors/el6] Update comment - rack would be explicitely needed for testing too.

[František Dvořák]

commit 5df4f330dc2fac2b4a4ae7677ad4e4f3a33de583
Author: František Dvořák <valtri at civ.zcu.cz>
Date:   Wed Oct 29 13:30:22 2014 +0100

    Update comment - rack would be explicitely needed for testing too.

 rubygem-rack-cors.spec |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/rubygem-rack-cors.spec b/rubygem-rack-cors.spec
index a0437e6..b644f48 100644
--- a/rubygem-rack-cors.spec
+++ b/rubygem-rack-cors.spec
@@ -16,6 +16,7 @@ BuildRequires:  rubygems-devel
 #BuildRequires:  rubygem(shoulda)
 #BuildRequires:  rubygem(minitest)
 #BuildRequires:  rubygem(mocha) >= 0.14.0
+#BuildRequires:  rubygem(rack)
 #BuildRequires:  rubygem(rack-test)
 Requires:       ruby(abi) = 1.8
 Requires:       ruby(rubygems)