[stable/minio] fix for deployment strategy recreate (#11546)

Signed-off-by: Christian Ingenhaag <christian.ingenhaag@googlemail.com>

stable/minio/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v1
 description: Minio is a high performance distributed object storage server, designed for large-scale private cloud infrastructure.
 name: minio
-version: 2.4.12
+version: 2.4.13
 appVersion: RELEASE.2019-04-09T01-22-30Z
 keywords:
 - storage

stable/minio/templates/deployment.yaml

@@ -11,9 +11,13 @@ metadata:
 spec:
   strategy:
     type: {{ .Values.DeploymentUpdate.type }}
+    {{- if eq .Values.DeploymentUpdate.type "RollingUpdate" }}
     rollingUpdate:
       maxSurge: {{ .Values.DeploymentUpdate.maxSurge }}
       maxUnavailable: {{ .Values.DeploymentUpdate.maxUnavailable }}
+    {{- else }}
+    rollingUpdate: null
+    {{- end}}
   {{- if .Values.nasgateway.enabled }}
   replicas: {{ .Values.nasgateway.replicas }}
   {{- end }}