Be more reliable about using the libtool version on the PATH when this script is run.  Part of SF patch #465018.
Be more reliable about using the libtool version on the PATH when this
script is run.  Part of SF patch #465018.

tiran/expat,libexpat/libexpat,libexpat/libexpat,libexpat/libexpat,libexpat/libexpat,libexpat/libexpat,tiran/expat,tiran/expat,libexpat/libexpat,tiran/expat