Use correct path for Makefile.config.override
Use correct path for Makefile.config.override

svn path=/trunk/hubbub/; revision=7408

servo/libhubbub,prepare/netsurf_libhubbub,Achal-Aggarwal/hibbub,prepare/netsurf_libhubbub,servo/libhubbub,servo/libhubbub,servo/libhubbub,adamwight/wmf-parsoid-libhubbub,adamwight/wmf-parsoid-libhubbub,Achal-Aggarwal/hibbub,adamwight/wmf-parsoid-libhubbub,Achal-Aggarwal/hibbub,adamwight/wmf-parsoid-libhubbub,prepare/netsurf_libhubbub,adamwight/wmf-parsoid-libhubbub,prepare/netsurf_libhubbub,servo/libhubbub,Achal-Aggarwal/hibbub,prepare/netsurf_libhubbub,prepare/netsurf_libhubbub