#237 SRFI-27 (make-random-source 'fast) broken

[Alessandro Colomba]

The SRFI-27 function make-random-source returns an incorrect value when asked to return a non-secure random source.

To reproduce:
(require-library 'sisc/libs/srfi/srfi-27) ; sources of random bits
(import srfi-27)
(random-source? (make-random-source 'fast))

=> #f

[Alessandro Colomba]

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Fixed. A typo in make-fast-prng caused the function to return a passed integer instead of a java.util.Random based on that integer.