Use single quotes

rtsp.gemspec

@@ -5,11 +5,11 @@ $:.unshift lib unless $:.include?(lib)
 require 'rtsp/version'
 
 Gem::Specification.new do |s|
-  s.name = "rtsp"
+  s.name = 'rtsp'
   s.version = RTSP::VERSION
 
   s.homepage = %q{https://github.com/turboladen/rtsp}
-  s.authors = ["Steve Loveless", "Mike Kirby", "Sujin Philip"]
+  s.authors = ['Steve Loveless', 'Mike Kirby', 'Sujin Philip']
   s.summary = %q{Library to allow RTSP streaming from RTSP-enabled devices.}
   s.description = %q{This library intends to follow the RTSP RFC document (2326)
 to allow for working with RTSP servers.  For more information see:
@@ -18,21 +18,21 @@ http://www.ietf.org/rfc/rfc2326.txt}
   s.licenses = %w{MIT}
 
   s.executables = %w{rtsp_client}
-  s.files = Dir.glob("{lib,bin,spec,tasks}/**/*") + Dir.glob("*.rdoc") +
+  s.files = Dir.glob('{lib,bin,spec,tasks}/**/*') + Dir.glob('*.rdoc') +
     %w(.gemtest rtsp.gemspec Gemfile Rakefile)
   s.extra_rdoc_files = %w{ChangeLog.rdoc LICENSE.rdoc README.rdoc}
   s.require_paths = %w{lib}
-  s.rubygems_version = "1.7.2"
-  s.test_files = Dir.glob("{spec,features}/**/*")
+  s.rubygems_version = '1.7.2'
+  s.test_files = Dir.glob('{spec,features}/**/*')
 
-  s.add_runtime_dependency "parslet", ">= 1.1.0"
-  s.add_runtime_dependency "rtp", ">= 0.1.3"
-  s.add_runtime_dependency "sdp", "~> 0.2.6"
+  s.add_runtime_dependency 'parslet', '>= 1.1.0'
+  s.add_runtime_dependency 'rtp', '>= 0.1.3'
+  s.add_runtime_dependency 'sdp', '~> 0.2.6'
 
-  s.add_development_dependency "bundler"
-  s.add_development_dependency "cucumber", ">= 1.1.0"
-  s.add_development_dependency "rake", ">= 0.8.7"
-  s.add_development_dependency "rspec", ">= 2.5.0"
-  s.add_development_dependency "simplecov", ">= 0.4.0"
-  s.add_development_dependency "yard", ">= 0.6.0"
+  s.add_development_dependency 'bundler'
+  s.add_development_dependency 'cucumber', '>= 1.1.0'
+  s.add_development_dependency 'rake', '>= 0.8.7'
+  s.add_development_dependency 'rspec', '>= 2.5.0'
+  s.add_development_dependency 'simplecov', '>= 0.4.0'
+  s.add_development_dependency 'yard', '>= 0.6.0'
 end