fix shellcheck warnings.

dnsapi/dns_cx.sh

@@ -189,7 +189,7 @@ _rest() {
   _H4="Content-Type: application/json"
 
   if [ "$data" ]; then
-    response="$(_post "$data" "$url" "" $m)"
+    response="$(_post "$data" "$url" "" "$m")"
   else
     response="$(_get "$url")"
   fi

dnsapi/dns_gd.sh

@@ -102,7 +102,7 @@ _gd_rest() {
 
   if [ "$data" ]; then
     _debug data "$data"
-    response="$(_post "$data" "$GD_Api/$ep" "" $m)"
+    response="$(_post "$data" "$GD_Api/$ep" "" "$m")"
   else
     response="$(_get "$GD_Api/$ep")"
   fi