[ruby-cvs:67371] nobu:r60190 (trunk): configure.ac: fix SOEXT on Windows

[nobu at ruby-lang.org]

nobu	2017-10-16 14:00:21 +0900 (Mon, 16 Oct 2017)

  New Revision: 60190

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=60190

  Log:
    configure.ac: fix SOEXT on Windows
    
    * configure.ac (SOEXT): shoud be "dll" on Windows.
      [ruby-core:83208] [Bug #14002]

  Modified files:
    trunk/configure.ac