sophia: add -lrt for test-suite build
sophia: add -lrt for test-suite build

tarantool/sophia,Bitcoinsulting/sophia,mneumann/sophia,clibs/sophia,mknight-tag/sophia,perint/sophia,Bitcoinsulting/sophia,mneumann/sophia,clibs/sophia,mknight-tag/sophia,tarantool/sophia,mknight-tag/sophia,mneumann/sophia,perint/sophia,Bitcoinsulting/sophia,clibs/sophia,tarantool/sophia,perint/sophia