Ensure DNS cleanup on error exit.

getssl

@@ -43,10 +43,11 @@
 # 2016-02-04 added short sleep following service restart before checking certs (v0.25)
 # 2016-02-12 fix challenge token location when directory doesn't exist (v0.26)
 # 2016-02-17 fix sed -E issue, and reduce length of renew check to 365 days for older systems (v0.27)
+# 2016-04-05 Ensure DNS cleanup on error exit. (0.28) - pecigonzalo
 # ---------------------------------------------------------------------------
 
 PROGNAME=${0##*/}
-VERSION="0.27"
+VERSION="0.28"
 
 # defaults
 CA="https://acme-staging.api.letsencrypt.org"
@@ -68,7 +69,6 @@ _FORCE_RENEW=0
 _QUIET=0
 
 clean_up() { # Perform pre-exit housekeeping
-  
   if [ ! -z "$DOMAIN_DIR" ]; then
     rm -rf "${TEMP_DIR:?}"
   fi