use Short if definedv0.4.2

Signed-off-by: Jeff Carr <[email protected]>

1 files changed, 3 insertions, 0 deletions

diff --git a/flags.go b/flags.go
index 7009970..9a54a81 100644
--- a/flags.go
+++ b/flags.go
@@ -120,6 +120,9 @@ func (f *LogFlag) Register() {
 	defer flagsMutex.Unlock()
 	Info("log.Register() ", f)
 	f.Default = f.B
+	if f.Short == "" {
+		f.Short = f.Subsystem
+	}
 	flags = append(flags,f)
 }