MINOR: backend: use a single call to ha_random32() for the random LB algo

For the random LB algorithm we need a random 32-bit hashing key that used
to be made of two calls to random(). Now we can simply perform a single
call to ha_random32() and get rid of the useless operations.

(cherry picked from commit b9f54c55929eddb6446f8d5c983fb8f1008eb0c6)
Signed-off-by: Willy Tarreau <w@1wt.eu>
(cherry picked from commit ec40e1cb47b35763f4323153ac96009d5fd8535b)
Signed-off-by: Willy Tarreau <w@1wt.eu>
1 file changed