re PR libstdc++/48123 (bits/cpu_defines.h not installed in freestanding mode.)

2011-03-15  Doug Kwan  <dougkwan@google.com>

        PR libstdc++/48123
        * include/Makefile.am (install-freestanding-headers): Install
        cpu_defines.h
        * include/Makefile.in: Regenerate.

From-SVN: r171019