Defect in XSH dlsym

[Geoff Clare <gwc@xxxxxxxxxxxxx>]

@ page 735 line 24705 section dlsym editorial [gwc dlsym return on success]

Problem:

Edition of Specification (Year): 2008

Defect code :  2. Omission

The RETURN VALUE section on the dlsym() page does not state what
the function returns on success, only on failure.

Action:

Insert

    "Upon successful completion, dlsym() shall return the address of
    the named symbol."

before

    "If handle does not refer ..."