MFH: r508499

Add a note how to work around Wine issuing an error message of

i386_set_ldt: Invalid argument
Did you reconfigure your kernel with "options USER_LDT"?

PR: 224264
Submitted by: rozhuk.im@gmail.com
Reviewed by: arrowd
Approved by: portmgr (blanket for MFHs, pkg-descr improvements)