fio: update to 3.19

Added compilation fixes.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

utils/fio/patches/010-rand.patch

@@ -0,0 +1,28 @@
+--- a/t/io_uring.c
++++ b/t/io_uring.c
+@@ -63,7 +63,6 @@ struct file {
+ struct submitter {
+ 	pthread_t thread;
+ 	int ring_fd;
+-	struct drand48_data rand;
+ 	struct io_sq_ring sq_ring;
+ 	struct io_uring_sqe *sqes;
+ 	struct io_cq_ring cq_ring;
+@@ -170,7 +169,7 @@ static void init_io(struct submitter *s, unsigned index)
+ 	}
+ 	f->pending_ios++;
+ 
+-	lrand48_r(&s->rand, &r);
++	r = lrand48();
+ 	offset = (r % (f->max_blocks - 1)) * BS;
+ 
+ 	if (register_files) {
+@@ -286,7 +285,7 @@ static void *submitter_fn(void *data)
+ 
+ 	printf("submitter=%d\n", gettid());
+ 
+-	srand48_r(pthread_self(), &s->rand);
++	srand48(pthread_self());
+ 
+ 	prepped = 0;
+ 	do {