[ruby/private-ruby-2.2] Remove bundled libyaml to be sure it is not used.

[Vít Ondruch]

commit f9ae9cbc987fa3550ae7847c0f0d5069d2a9a2e3
Author: Vít Ondruch <vondruch at redhat.com>
Date:   Wed Dec 17 17:07:20 2014 +0100

    Remove bundled libyaml to be sure it is not used.

 ruby.spec |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/ruby.spec b/ruby.spec
index d015e10..cb91721 100644
--- a/ruby.spec
+++ b/ruby.spec
@@ -390,6 +390,9 @@ Tcl/Tk interface for the object-oriented scripting language Ruby.
 %prep
 %setup -q -n %{ruby_archive}
 
+# Remove bundled libyaml to be sure it is not used.
+rm -rf ext/psych/yaml
+
 %patch0 -p1
 %patch1 -p1
 %patch2 -p1