Fix the uClibc clean-up-O_CLOEXEC-handling patch

In the Blackfin case (untested until now), this patch was lacking a
leading / at the end of a comment.

 reporter_name="YEM"

 reporter_url="http://ymorin.is-a-geek.org/"

 reporter_comment="Sample i586 configuration tweaked to generate code for the geode."