tree a90fbf44e0a148a33d1cd55233c1cf997eb8fdf5
parent 4394568c4bed76e9170dd11c611eb0a4c9c7a10c
author Joe Tsai <joetsai@digital-static.net> 1602010895 -0700
committer Joe Tsai <joetsai@digital-static.net> 1602110693 +0000

reflect/protodesc: fix round-tripping for package field

If a .proto file does not have a package statement,
then protoc will not populate the package field.
Emulate the same behavior for ToFileDescriptorProto.

Fixes golang/protobuf#1195

Change-Id: I617102e50c96f0fa1bac6a6bc4de1cc485750bb9
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/259899
Reviewed-by: Damien Neil <dneil@google.com>
Trust: Joe Tsai <thebrokentoaster@gmail.com>