cygwin.h (STARTFILE_SPEC): Explicitly search sysroot/usr/lib/32api for additional win32 libraries...

2015-09-21  Jonathan Yong  <10walls@gmail.com>

        * config/i386/cygwin.h (STARTFILE_SPEC): Explicitly search
        sysroot/usr/lib/32api for additional win32 libraries,
        fixes failing Cygwin bootstrapping.

From-SVN: r227962