The dlopen manual lacks RTLD_TRACE info

[Nan Xiao]

Hi misc@,

I find the ldd program actually uses "RTLD_TRACE" when calling
"dlopen":

    dlhandle = dlopen(buf, RTLD_TRACE);

While the manual (https://man.openbsd.org/dlopen.3) seems doesn't
provide introduction of RTLD_TRACE. Should OpenBSD manual add
RTLD_TRACE info?

Thanks in advance!

Best Regards
Nan Xiao