error: server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none while accessing https://stash.freeswitch.org/scm/fs/freeswitch.git/info/refs

fatal: HTTP request failed

make[1]: *** [update] Error 1

make[1]: Leaving directory `/usr/src/freeswitch'

make: *** [current] Error 2