rand/rand_unix.c: omit error from DSO_global_lookup.
If built with no-dso, DSO_global_lookup leaves "unsupported" message
in error queue. Since there is a fall-back code, it's unnecessary
distraction.
@@ -247,7 +247,9 @@ int syscall_random(void *buf, size_t buflen)
* - Linux since 3.17 with glibc 2.25
* - FreeBSD since 12.0 (1200061)
*/
+ ERR_set_mark();
p_getentropy.p = DSO_global_lookup("getentropy");
+ ERR_pop_to_mark();
if (p_getentropy.p != NULL)
return p_getentropy.f(buf, buflen) == 0 ? buflen : 0;
