make sync-default-gems GEM=irb

from https://github.com/ruby/irb/commit/89e9add06da3fd5f9ce91a2f5fa0b0190aa5d42f.

This adds syntax highlight support for Module on inspect.

In addition to that, I'm adding a trailing space in test_color.rb for
testing ruby-commit-hook's auto-style.

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/irb/color.rb b/lib/irb/color.rb
index 201aecac30..87f6d88ae1 100644
--- a/lib/irb/color.rb
+++ b/lib/irb/color.rb
@@ -46,7 +46,7 @@ module IRB # :nodoc:
       end
 
       def inspect_colorable?(obj)
-        if obj.is_a?(Class) && obj.name
+        if obj.is_a?(Module) && obj.name
           return true
         end