Avoid copying ByteRange in OpenSSLHash hash_update()
Avoid copying ByteRange in OpenSSLHash hash_update()

Summary: This opportunity was found with the combination of Infer's PULSE_UNNECESSARY_COPY and Strobelight cycle counts.

Reviewed By: Gownta

Differential Revision: D33304127

fbshipit-source-id: 7d3b54d26bc3e171cc7a0a831933fdbb9638f6a8

facebook/folly,facebook/folly,facebook/folly,facebook/folly,facebook/folly