bootstrap error for 3.0.1 on Solaris-2.8 (fully-patched)

[Auteria Wally Winzer Jr.]

sed -e '/^#/s/\([ABCDEFGHIJKLMNOPQRSTUVWXYZ_][ABCDEFGHIJKLMNOPQRSTUVWXYZ_]*\)/_GLIBCPP_\1/g' \
    -e 's,^#include "\(.*\)",#include <bits/\1>,g' \
    < /spare/wwinzer/mybuild/sun/BUILD/gcc-3.0.1/sparc-sun-solaris2.8/libstdc++-v3/../gcc/gthr.h > sparc-sun-solaris2.8/bits/gthr.h
/bin/sh: /spare/wwinzer/mybuild/sun/BUILD/gcc-3.0.1/sparc-sun-solaris2.8/libstdc++-v3/../gcc/gthr.h: cannot open
make[4]: *** [sparc-sun-solaris2.8/bits/gthr.h] Error 1
make[4]: Leaving directory `/spare/wwinzer/mybuild/sun/BUILD/gcc-3.0.1/sparc-sun-solaris2.8/libstdc++-v3/include'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory `/spare/wwinzer/mybuild/sun/BUILD/gcc-3.0.1/sparc-sun-solaris2.8/libstdc++-v3'
make[2]: *** [all-recursive-am] Error 2
make[2]: Leaving directory `/spare/wwinzer/mybuild/sun/BUILD/gcc-3.0.1/sparc-sun-solaris2.8/libstdc++-v3'
make[1]: *** [all-target-libstdc++-v3] Error 2
make[1]: Leaving directory `/spare/wwinzer/mybuild/sun/BUILD/gcc-3.0.1'
make: *** [bootstrap] Error 2

It needs to go back 1 more directory tree:
/spare/wwinzer/mybuild/sun/BUILD/gcc-3.0.1/sparc-sun-solaris2.8/libstdc++-v3/../../gcc/gthr.h
instead of:
/spare/wwinzer/mybuild/sun/BUILD/gcc-3.0.1/sparc-sun-solaris2.8/libstdc++-v3/../gcc/gthr.h

Bug and solution.  Thanks.

- Wally Winzer Jr.