Use the right type for values
Use the right type for values

Summary: MSVC was complaining very loudly about these being implicitly truncated to `int`s in the initialization of OptionsMap, so declare them as `int`.

Reviewed By: yfeldblum

Differential Revision: D10861911

fbshipit-source-id: 0d5c52fe4b5e59c5e101546093a13849fe3b2a7a

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