pidgin/pidgin

Fix a few issues with the CredentialProvider code that snuck past review

2020-10-14, Gary Kramlich
569ab1326932
Fix a few issues with the CredentialProvider code that snuck past review

Testing Done:
Compiled and ran unit tests locally. Verified the warnings were gone from the unit test build and verified the warning was gone from the Purple-3.0.gir build.

Reviewed at https://reviews.imfreedom.org/r/168/
/* This file is part of the Project Athena Zephyr Notification System.
* It contains source for the ZSetFD function.
*
* Created by: Robert French
*
* Copyright (c) 1987 by the Massachusetts Institute of Technology.
* For copying and distribution information, see the file
* "mit-copyright.h".
*/
#include "internal.h"
Code_t
ZSetFD(int fd)
{
(void) ZClosePort();
__Zephyr_fd = fd;
__Zephyr_open = 0;
return (ZERR_NONE);
}