autoreconf does not recurse configure for libamrnb and amrwb in some cases.  Manutally force it.


git-svn-id: http://scm.sipfoundry.org/rep/sipX/main@12224 a612230a-c5fa-0310-af8b-88eea846685b
Fixed relative path for libamr* configure script


git-svn-id: http://scm.sipfoundry.org/rep/sipX/main@12225 a612230a-c5fa-0310-af8b-88eea846685b