Bug 191823: implement PR_GetLibraryFilePathname for OS/2.  The patch is contributed by Julien Pierre <jpierre@netscape.com>.
Bug 191823: implement PR_GetLibraryFilePathname for OS/2.  The patch is
contributed by Julien Pierre <jpierre@netscape.com>.

makotokato/nsprpub,makotokato/nsprpub,makotokato/nsprpub,makotokato/nsprpub,makotokato/nsprpub