* ext/dl/dl.c (rb_str_to_ptr): should propagate taint to dlptr.
	* ext/dl/dl.c (rb_ary_to_ptr): ditto.
	* ext/dl/sym.c (rb_dlsym_call): should check taint of DLPtrData as
	  well.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@18479 b2dd03c8-39d4-4d8f-98ff-823fe69b080e