Filter out blank lines

Response from the provider has changed so that there are blank lines at the end, which leads to the result can not be parsed correctly
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mod242 2020-04-16 20:03:34 +02:00 committed by GitHub
parent dbf659c575
commit 2c971a2598
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@ -119,7 +119,7 @@ _ddnss_rest() {
# DDNSS uses GET to update domain info
if [ "$method" = "GET" ]; then
response="$(_get "$url" | sed 's/<[a-zA-Z\/][^>]*>//g' | _tail_n 1)"
response="$(_get "$url" | sed 's/<[a-zA-Z\/][^>]*>//g' | tr -s "\n" | _tail_n 1)"
else
_err "Unsupported method"
return 1