TBR: Fix build error in vdl tool.
TBR: Fix build error in vdl tool.

Change-Id: I75d871384984076176da2a6889bd599c14c9c41f

vanadium/go.ref,vanadium/go.ref,vanadium/go.ref,vanadium/go.ref,vanadium/go.ref,vanadium/go.ref