ruby 2.0.0: fix for changed @waiters in compat19

I don't really know what this is all about, but this
fixes a bug with the compat19 monkeypatching. @waiters
is now a Hash.

http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?revision=38109&view=revision

diff --git a/lib/rbot/compat19.rb b/lib/rbot/compat19.rb
index c32d1ecbf98544709b6e5d92cf8ed98dbe6c1e96..2082ff517a249d02173a8ba200d2abf93e955f6e 100644 (file)
--- a/lib/rbot/compat19.rb
+++ b/lib/rbot/compat19.rb
@@ -12,7 +12,11 @@ class ConditionVariable
     begin
       # TODO: mutex should not be used
       @waiters_mutex.synchronize do
-        @waiters.push(Thread.current)
+        if @waiters.instance_of? Hash # ruby 2.0.0?
+          @waiters[Thread.current] = true
+        else
+          @waiters.push(Thread.current)
+        end
       end
       if timeout
         elapsed = mutex.sleep timeout if timeout > 0.0