Summary:
The 14.3 toolchain includes `-Wstrict-prototypes` in `-Wall`. Add it to the default warning list to ensure the code is buildable with the 14.3 toolchain.
Please forward fix any build breakage introduced by this change.
Reviewed By: NSProgrammer
Differential Revision: D44371491
fbshipit-source-id: 257c7f7748b079a34ffd5c041339d518bef9d1e5
60f4bc1a65