Fix captcha issue for csv forms static control, a=chris

diff --git a/src/controllers/StaticController.php b/src/controllers/StaticController.php
index 2f17e1cc8..77594ef69 100644
--- a/src/controllers/StaticController.php
+++ b/src/controllers/StaticController.php
@@ -148,6 +148,9 @@ class StaticController extends Controller
 EOD;
             }
         }
+        if (strpos($page_string, "[{image-captcha}]") !== false) {
+            $this->setupGraphicalCaptchaViewData($data);
+        }
         if (strpos($page_string, "spreadsheet_data") !== false) {
             if (!in_array("spreadsheet", $data["INCLUDE_SCRIPTS"])) {
                 $data["INCLUDE_SCRIPTS"][] = "spreadsheet";
diff --git a/src/models/CronModel.php b/src/models/CronModel.php
index d20d1e51e..4df6a2c51 100644
--- a/src/models/CronModel.php
+++ b/src/models/CronModel.php
@@ -113,6 +113,9 @@ class CronModel extends Model
         if ($this->cron_table === null) {
             $this->loadCronTable();
         }
+        if (!is_array($this->cron_table)) {
+            $this->cron_table = [];
+        }
         $this->cron_table[$key] = ($time === false) ? time() : $time;
         if (!$transaction) {
             file_put_contents($this->cron_file, serialize($this->cron_table));