Use HasAvailableFlags instead of HasFlags for Options in help

> HasAvailableFlags checks if the command contains any flags (local
> plus persistent from the entire structure) which are not hidden or
> deprecated.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

cli/cobra.go

@@ -116,7 +116,7 @@ Examples:
 {{ .Example }}
 
 {{- end}}
-{{- if .HasFlags}}
+{{- if .HasAvailableFlags}}
 
 Options:
 {{ wrappedFlagUsages . | trimRightSpace}}