(ITS#4957) destroying uninitialized mutexed after failed startup

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

Full_Name: Hallvard B Furuseth
Version: RE23
OS: 
URL: http://www.openldap.org/devel/cvsweb.cgi/servers/slapd/schema_init.c.diff?r1=1.387&r2=1.388
Submission from: (NULL) (129.240.202.105)
Submitted by: hallvard


If RE23 startup fails, ad_undef_mutex and oc_undef_mutex can be
destroyed without having been initialized.  Thus slapd can crash.

Fix: schema_init.c rev 1.388.

(I haven't committed to non-HEAD for ages, I don't rememer if I
just commit it or if there are more formalities involved?)