Ruby

process.c: argument types over conversion

• process.c (rb_exec_getargs): honor the expected argument types
  over the conversion method. the basic language functionality
  should be robust. [ruby-core:75388] [Bug #12355]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54934 b2dd03c8-39d4-4d8f-98ff-823fe69b080e