Ruby » Ruby master

version.c: show malloc_conf

• configure.in (jemalloc): check for the header regardless drop-in
  libjemalloc is found, for malloc_conf declaration.
• version.c (ruby_show_version): show malloc_conf if set.
  [Feature #9113]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46355 b2dd03c8-39d4-4d8f-98ff-823fe69b080e