Fix link command configuration for Ruby bindings.
Fix link command configuration for Ruby bindings.

* build/ac-macros/swig.m4
  (AC_CACHE_CHECK([how to link Ruby extensions])): Use '\S+'
  instead of '\w+' for detecting compiler name.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@855178 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion