Another Solaris fix, to propagate RPATH directories.
Another Solaris fix, to propagate RPATH directories.

* SConstruct:
  (LINKFLAGS): append values for each directory in LIBPATH


git-svn-id: 683495cb1553624b05a54e2ba9533425f69cf277@1607 61a7d7f5-40b7-0310-9c16-bb0ea8cb1845

coapp-packages/serf,coapp-packages/serf,coapp-packages/serf