Simplify the app build a little.

Change-Id: I16bf812f5e01a3098d0644298f606970d7e7321a
Reviewed-on: https://code-review.googlesource.com/c/re2/+/61470
Reviewed-by: Paul Wankadia <junyer@google.com>
Reviewed-by: Alex Chernyakhovsky <achernya@google.com>
2 files changed