rc used uninitialized in backend_group() (ITS#2743)

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

Full_Name: Hallvard B Furuseth
Version: HEAD
OS: 
URL: 
Submission from: (NULL) (129.240.186.42)
Submitted by: hallvard


It looks like rc can be used uninitialized in
slapd/backend.c:backend_group() line 1222 'if ( rc == 0 )'
if both the previous 'if ( target && ... )' lines are true.