[ruby-cvs:64258] nobu:r57092 (trunk): configure.in: repeated checks

[nobu at ruby-lang.org]

nobu	2016-12-16 20:59:57 +0900 (Fri, 16 Dec 2016)

  New Revision: 57092

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=57092

  Log:
    configure.in: repeated checks
    
    * configure.in (enable_dtrace): reduce repeated
      RUBY_DTRACE_AVAILABLE checks.

  Modified files:
    trunk/configure.in