fix shfmt

.travis.yml

@@ -15,10 +15,10 @@ addons:
 script:
   - curl -sSL $SHFMT_URL -o ~/shfmt
   - chmod +x ~/shfmt
-  - shellcheck -V
-  - shellcheck -e SC2021,SC2126,SC2034 **/*.sh && echo "shellcheck OK"
   - ~/shfmt -l -w -i 2 .
   - git diff --exit-code && echo "shfmt OK"
+  - shellcheck -V
+  - shellcheck -e SC2021,SC2126,SC2034 **/*.sh && echo "shellcheck OK"
   - cd ..
   - curl -sSL https://bin.equinox.io/c/4VmDzA7iaHb/ngrok-stable-linux-amd64.zip -o ngrok-stable-linux-amd64.zip && unzip ngrok-stable-linux-amd64.zip && export NGROK_BIN="$(pwd)/ngrok"
   - git clone https://github.com/Neilpang/acmetest.git && cp -r acme.sh acmetest/ && cd acmetest

dnsapi/dns_nsupdate.sh

@@ -1,6 +1,5 @@
 #!/usr/bin/env sh
 
-
 ########  Public functions #####################
 
 #Usage: dns_nsupdate_add   _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"