Ruby » Ruby master

ruby.c: fix for multiarch library

• ruby.c (ruby_init_loadpath_safe): try two levels upper for stripping
  libdir name. [Bug #7874]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39348 b2dd03c8-39d4-4d8f-98ff-823fe69b080e