Builds are corrupted when a generic variant of a class is defined below it in the same file with the same name.

Repro Steps:

1. Launch unity 4.0.1f2 with attached project
2. You may need to re-attach the base script to the camera once project is open.
3. Build and run a standalone dev build
4. Observe console errors saying build is corrupted
5. Repeat the steps in 3.5.7 to see no corrupted build

Desired outcome: Build to not become corrupted