check-health: update initialization of empty array

Having the parenthesis here is important for valid syntax!

1 files changed, 2 insertions, 2 deletions

diff --git a/check-health b/check-health
index 903c496..5da7d2a 100644
--- a/check-health
+++ b/check-health
@@ -35,10 +35,10 @@
 }
 
 :if ([ :typeof $CheckHealthLast ] != "array") do={
-  :set CheckHealthLast [ :toarray "" ];
+  :set CheckHealthLast ({});
 }
 :if ([ :typeof $CheckHealthTemperatureNotified ] != "array") do={
-  :set CheckHealthTemperatureNotified [ :toarray "" ];
+  :set CheckHealthTemperatureNotified ({});
 }
 
 $ScriptLock $0;