Fix inappropriate @SuppressWarnings.
Fix inappropriate @SuppressWarnings.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=132440428

google/guice,cgruber/guice,mcculls/guice,google/guice,sonatype/sisu-guice,sonatype/sisu-guice,mcculls/guice,mcculls/guice,cgruber/guice,google/guice