(ITS#6355) Uninitialiezed rsa_callback with OpenSSL

[h.b.furuseth@usit.uio.no]

Full_Name: Hallvard B Furuseth
Version: HEAD, 2.4.19
OS: 
URL: 
Submission from: (NULL) (129.240.6.233)
Submitted by: hallvard


libldap/tls_o.c:lso_tmp_rsa_cb() returns an uninitialized value
if BN_set_word() fails.  Introduced in rev 1.13; openldap 2.4.19.

Fixing to return NULL.