(ITS#7039) Use of uninitialized vars causes segfault when controls are parsed from LDIF

[masarati]

Full_Name: Pierangelo Masarati
Version: master, re24
OS: Linux on x86_64
URL: ftp://ftp.openldap.org/incoming/
Submission from: (NULL) (2.40.1.31)
Submitted by: ando


See <http://www.openldap.org/lists/openldap-technical/201109/msg00099.html>.

p.