shellcheck: disable SC1091.

Nils Ratusznik · Nils Ratusznik · commit 52eda6992580 · 2020-03-20T16:51:17.000+01:00
SC1091, when combined with `shellcheck -x`, tries
to follow files. It is right now quite cumbersome
to implement.
diff --git a/vault-hook.sh b/vault-hook.sh
@@ -1,5 +1,6 @@
 #!/usr/bin/env bash
 
+# shellcheck disable=SC1091
 source "/etc/dehydrated/vault.inc"
 
 VAULT_TOKEN=""
