tools/profile: fix kernel delimiter when folding (#2758)
tools/profile: fix kernel delimiter when folding (#2758)

retain delimiter with folding enabled

tuxology/bcc,iovisor/bcc,iovisor/bcc,brendangregg/bcc,tuxology/bcc,iovisor/bcc,tuxology/bcc,brendangregg/bcc,iovisor/bcc,tuxology/bcc,iovisor/bcc,tuxology/bcc,brendangregg/bcc,brendangregg/bcc,brendangregg/bcc