Fixed broken CAtomic specs.

.travis.yml

@@ -25,4 +25,4 @@ matrix:
     - rvm: jruby-head
     - rvm: 1.9.3
 
-script: "bundle exec rake compile && bundle exec rspec --color --backtrace --tag ~unfinished --seed 1 --format documentation ./spec"
+script: "rake compile && bundle exec rspec --color --backtrace --tag ~unfinished --seed 1 --format documentation ./spec"

lib/concurrent/atomic.rb

@@ -78,7 +78,7 @@ class Concurrent::Atomic < Concurrent::JavaAtomic
   class Concurrent::Atomic < Concurrent::RbxAtomic
   end
 
-elsif defined?(CAtomic)
+elsif defined?(Concurrent::CAtomic)
 
   # @!macro atomic_reference
   class Concurrent::Atomic < Concurrent::CAtomic

spec/concurrent/atomic_spec.rb

@@ -154,19 +154,19 @@ module Concurrent
   describe Atomic do
     if TestHelpers.jruby?
       it 'inherits from JavaAtomic' do
-        expect(Atomic.ancestors).to include(JavaAtomic)
+        expect(Atomic.ancestors).to include(Concurrent::JavaAtomic)
       end
     elsif TestHelpers.use_c_extensions?
       it 'inherits from CAtomic' do
-        expect(Atomic.ancestors).to include(CAtomic)
+        expect(Atomic.ancestors).to include(Concurrent::CAtomic)
       end
     elsif TestHelpers.rbx?
       it 'inherits from RbxAtomic' do
-        expect(Atomic.ancestors).to include(RbxAtomic)
+        expect(Atomic.ancestors).to include(Concurrent::RbxAtomic)
       end
     else
       it 'inherits from MutexAtomic' do
-        expect(Atomic.ancestors).to include(MutexAtomic)
+        expect(Atomic.ancestors).to include(Concurrent::MutexAtomic)
       end
     end
   end