Standardize function declaration

There were no fewer than three styles of function declaration going
on in these files, so I attempted to standardize them to the typical

myfucn() {
}

style.

advanced/Scripts/update.sh

@@ -17,8 +17,7 @@ webInterfaceDir="/var/www/html/admin"
 piholeGitUrl="https://github.com/pi-hole/pi-hole.git"
 piholeFilesDir="/etc/.pihole"
 
-spinner()
-{
+spinner() {
 	local pid=$1
     local delay=0.50
     local spinstr='/-\|'
@@ -142,4 +141,4 @@ elif [[ ${piholeVersion} != ${piholeVersionLatest} && ${webVersion} != ${webVers
     echo "::: Pi-hole version is now at ${piholeVersion}"
     echo "::: If you had made any changes in '/etc/.pihole', they have been stashed using 'git stash'"
     echo ""
-fi
+fi