Merge branch 'tamuratak-fix_ruby_bool'

* tamuratak-fix_ruby_bool:
  [ruby] must not do null check for VALUE obj, which can be 0x0 == Qfalse, a valid Ruby object.

Examples/test-suite/ruby/std_containers_runme.rb

@@ -13,6 +13,8 @@ require 'swig_assert'
 require 'std_containers'
 include Std_containers
 
+swig_assert_equal("[true, false]", "videntb([true, false])")
+
 swig_assert_each_line(<<'EOF', binding)
 
 cube = [[[1, 2], [3, 4]], [[5, 6], [7, 8]]]

Examples/test-suite/std_containers.i

@@ -115,6 +115,10 @@
     return v;
   }
 
+  std::vector<bool> videntb(const std::vector<bool>& v)
+  {
+    return v;
+  }
 
   int get_elem(const std::vector<int>& v, int index)
   {