* win32/win32.c (has_redirection): need to execute shell if commandline includes newline. cf. [ruby-core:24560]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@24465 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merges r24389 from trunk into ruby_1_9_1.¶
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@24465 b2dd03c8-39d4-4d8f-98ff-823fe69b080e