try to fix problem with encoding on ribinius

according to this post: http://troessner.wordpress.com/2011/07/18/ruby-1-9-invalid-multibyte-char-us-ascii/
it may help to solve https://secure.travis-ci.org/#!/CocoaPods/CocoaPods/jobs/1562847

SBTickerView/0.0.1/SBTickerView.podspec

@@ -1,10 +1,11 @@
+# coding: utf-8
 Pod::Spec.new do |s|
   s.name      = 'SBTickerView'
   s.version   = '0.0.1'
   s.platform  = :ios
   s.summary   = 'An easy to use ticker view with inspiration from Flipboard.'
   s.homepage  = 'https://github.com/blommegard/SBTickerView'
-  s.author    = { 'Simon Blommegård' => 'http://simonb.se/' }             
+  s.author    = { 'Simon Blommegård' => 'http://simonb.se/' }
   s.license   = 'MIT'
   s.source    = { :git => 'https://github.com/blommegard/SBTickerView.git',
                   :commit => '9d45f5b320861354a269714b42c831e61ff1ad09' }