Commits
Merge pull request #844 in FS/freeswitch from ~LEKENSTEYN/freeswitch:bugfix/FS-7783-bad-var-name to master * commit '69d643b53f5c72a33728a73b9fbf0b0ecc41b7e6': Properly handle NULL var_name for switch_play_and_get_digits
Merge pull request #844 in FS/freeswitch from ~LEKENSTEYN/freeswitch:bugfix/FS-7783-bad-var-name to master * commit '69d643b53f5c72a33728a73b9fbf0b0ecc41b7e6': Properly handle NULL var_name for switch_play_and_get_digits