correct reference to values in yaml file (#3632)

Author: joshfischer1108

deploy/kubernetes/helm/templates/bookie.yaml

@@ -42,9 +42,9 @@ data:
   BK_indexDirectories: "/bookkeeper/data/ledgers" 
   BK_zkServers: {{ .Release.Name }}-zookeeper:{{ .Values.zookeeper.clientPort }}
   BK_autoRecoveryDaemonEnabled: "true"
-  BK_journalMaxBackups: {{ .Values.bookieJournalMaxBackups }}
-  BK_journalMaxSizeMB: {{ .Values.bookieJournalMaxSizeMB }}
-  BK_logSizeLimit: {{ .Values.bookieLogSizeLimit }}
+  BK_journalMaxBackups: "{{ .Values.bookieJournalMaxBackups }}"
+  BK_journalMaxSizeMB: "{{ .Values.bookieJournalMaxSizeMB }}"
+  BK_logSizeLimit: "{{ .Values.bookieLogSizeLimit }}"
   {{- if or (eq .Values.platform "gke") (eq .Values.platform "minikube") }}
   BK_useHostNameAsBookieID: "true"
   {{- end }}