Use workaround version of irb and reline

Author: hsbt

gems/bundled_gems

@@ -41,6 +41,6 @@ benchmark           0.4.0   https://github.com/ruby/benchmark
 logger              1.6.5   https://github.com/ruby/logger
 rdoc                6.11.0  https://github.com/ruby/rdoc
 win32ole            1.9.1   https://github.com/ruby/win32ole
-irb                 1.15.1  https://github.com/ruby/irb
-reline              0.6.0   https://github.com/ruby/reline
+irb                 1.15.1  https://github.com/ruby/irb cf5e61e393845ae0bc0363ac8cc83799a28a48ce
+reline              0.6.0   https://github.com/ruby/reline 79fc33fba76c3949800a481ac6189a9ccbe09190
 readline            0.0.4   https://github.com/ruby/readline