Cache git creds in init.sh

(cherry picked from commit cdb15e8)

azure/init.sh

@@ -10,7 +10,7 @@ set -x
 # in redhat we need to enable default port for postgres
 # We don't exit on this command because if we are on centos, the firewall
 # might not be active, but this also enables switching to redhat easily.
-firewall-cmd --add-port=5432/tcp || true 
+firewall-cmd --add-port=5432/tcp || true
 
 # fail in a pipeline if any of the commands fails
 set -o pipefail
@@ -169,6 +169,5 @@ find_private_ips() {
 
 find_private_ips "$@"
 
-
 # cache git credentials so that we can clone a private repository with caching enabled
 ./cache_git_creds.sh