Ruby » Ruby master

configure.in: fix r57093

• configure.in (RUBY_DTRACE_AVAILABLE): try -xnolibs first.
  [ruby-core:78676] [Bug #13041]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57097 b2dd03c8-39d4-4d8f-98ff-823fe69b080e