Add parenthesis to functions to make sure that parameters used are those from the function call

gitea-updater

@@ -21,7 +21,7 @@ key=
 # set your chat id here
 chat_id=
 
-function send_message {
+function send_message() {
 	if [ $# -eq 0 ]
 	then
 		echo "No argument supplied. Please specify the message to send."
@@ -30,7 +30,7 @@ function send_message {
 	fi
 }
 
-function update_gitea {
+function update_gitea() {
 	systemctl stop gitea.service
 
 	# download the latest version