replace backticks with escaped dollarbracethingy (fixes #438)

diff --git a/dehydrated b/dehydrated
index 10a5290dbb0fae8f08011da81c8dc0c9d381f328..fda2072a4b42d5eca3ceb5fda9f55bbb971ed70f 100755 (executable)
--- a/dehydrated
+++ b/dehydrated
@@ -426,7 +426,7 @@ http_request() {
 
       # An exclusive hook for the {1}-request error might be useful (e.g., for sending an e-mail to admins)
       if [[ -n "${HOOK}" ]] && [[ "${HOOK_CHAIN}" != "yes" ]]; then
-        errtxt=`cat ${tempcont}`
+        errtxt="$(cat ${tempcont})"
         "${HOOK}" "request_failure" "${statuscode}" "${errtxt}" "${1}"
       fi