Update rucaptcha.gemspec

rucaptcha.gemspec

@@ -13,7 +13,7 @@ Gem::Specification.new do |s|
                             Dir.glob('app/**/*') +
                             Dir.glob('config/**/*') +
                             %w[README.md CHANGELOG.md]
-  s.homepage              = 'https://github.com/huacnlee/rucaptcha'
+  s.homepage              = 'http://gitlab.tp.rulingcom.com/chiu/rucaptcha'
   s.require_paths         = ['lib']
   s.extensions            = %w[ext/rucaptcha/extconf.rb]
   s.summary               = 'This is a Captcha gem for Rails Applications. It drawing captcha image with C code so it no dependencies.'