cloud-init: Use StringSliceVarP instead of StringArrayVarP

The latter does not parse `--cloud-init a,b,c` as expected, it returns
an array with a single element, the string `a,b,c`.
The `Slice` variant returns an array with 3 elements, `a`, `b` and `c`
as expected.

Signed-off-by: Christophe Fergeau <[email protected]>

Author: cfergeau

cmd/macadam/init.go

@@ -79,7 +79,7 @@ func init() {
 	_ = initCmd.RegisterFlagCompletionFunc(memoryFlagName, completion.AutocompleteNone)
 
 	CloudInitPathFlagName := "cloud-init"
-	flags.StringArrayVarP(&initOptsFromFlags.CloudInitPaths, CloudInitPathFlagName, "", []string{}, "Path to user-data, meta-data and network-config cloud-init configuration files")
+	flags.StringSliceVarP(&initOptsFromFlags.CloudInitPaths, CloudInitPathFlagName, "", []string{}, "Path to user-data, meta-data and network-config cloud-init configuration files")
 	_ = initCmd.RegisterFlagCompletionFunc(CloudInitPathFlagName, completion.AutocompleteDefault)
 
 	/* flags := initCmd.Flags()