Fix a link.

This change wasn't completely merged.

Merged revisions 44383 via svnmerge from 
https://svn.boost.org/svn/boost/trunk

........
  r44383 | grafik | 2008-04-13 23:47:01 +0100 (Sun, 13 Apr 2008) | 1 line
  
  Move functional tests into canonical test subdir structure.
........


[SVN r51900]

libs/functional

@@ -1 +1 @@
-Subproject commit 9af7267918a164bf5fbceffee052d3aa6dbd924b
+Subproject commit 79b2313c682e2e6374623657365a95160d9764d1