[csmith-project/csmith] ef1f45: On Windows, add `lrand48` sources to Csmith compil...

[Eric Eide <eeide@cs.utah.edu>]

  Branch: refs/heads/master
  Home:   https://github.com/csmith-project/csmith
  Commit: ef1f45a3a70394d27e674ba0599ee1354e01fcb7
      https://github.com/csmith-project/csmith/commit/ef1f45a3a70394d27e674ba0599ee1354e01fcb7
  Author: Eric Eide <eeide@cs.utah.edu>
  Date:   2017-05-23 (Tue, 23 May 2017)

  Changed paths:
    R runtime/windows/_rand48.c
    R runtime/windows/lrand48.c
    R runtime/windows/rand48.h
    R runtime/windows/srand48.c
    M src/CMakeLists.txt
    A src/windows/_rand48.c
    A src/windows/lrand48.c
    A src/windows/rand48.h
    A src/windows/srand48.c

  Log Message:
  -----------
  On Windows, add `lrand48` sources to Csmith compile.

When using CMake to build Csmith on Windows, compile and link with an
implementation of `lrand48`.

This commit also moves the relevant source files from `runtime/windows`
to `src/windows`.  Until now, we would distribute the source files but
not compile them or link them with Csmith.