Merge pull request #1291 from Random-Liu/fix-indent-cni

Fix indent in cni.template.

cluster/gce/cni.template

@@ -8,7 +8,7 @@
       "ipam": {
         "type": "host-local",
         "ranges": [{{range $i, $range := .PodCIDRRanges}}{{if $i}}, {{end}}[{"subnet": "{{$range}}"}]{{end}}],
-	"routes": [{{range $i, $route := .Routes}}{{if $i}}, {{end}}{"dst": "{{$route}}"}{{end}}]
+        "routes": [{{range $i, $route := .Routes}}{{if $i}}, {{end}}{"dst": "{{$route}}"}{{end}}]
       }
     },
     {