INDEX build failed

[Oliver Eikemeier]

Sorry, I found a small bug in the patch (even though
it should have no effect):

The line

  +	if test -d ${.CURDIR}/${sub}.${MACHINE_ARCH}; then \

should read

  +	if test -d ${.CURDIR}/$${sub}.${MACHINE_ARCH}; then \

A corrected patch is in PR 57438:

  http://www.freebsd.org/cgi/query-pr.cgi?pr=57438