ref: vdl tool generates 'generated by the vanadium tool' instead of 'veyron'.

MultiPart: 1/3
Change-Id: Ibf45cf49673e9fdd92b29af6336a1d64597faa2e
diff --git a/services/security/discharger.vdl.go b/services/security/discharger.vdl.go
index 8c53b45..03b1f4d 100644
--- a/services/security/discharger.vdl.go
+++ b/services/security/discharger.vdl.go
@@ -1,4 +1,4 @@
-// This file was auto-generated by the veyron vdl tool.
+// This file was auto-generated by the vanadium vdl tool.
 // Source: discharger.vdl
 
 package security