Ed Schouten 8ab00b8fbc Properly sign extend the result of jrand48() and mrand48().
These functions are supposed to return a value between [_2^31, 2^31).
This doesn't seem to work on 64-bit systems, where we return a value
between [0, 3^32). Patch up the function to use proper casts to int32_t.
While there, fix some other style bugs.

MFC after:	2 weeks
2016-12-06 19:08:29 +00:00
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