Ticket 488 - Doc: DS error log messages with typo

Bug Description:  There was a typo in dblayer_get_home_dir()

Fix Description:  Fixed typo.

https://fedorahosted.org/389/ticket/488

Reviewed by: Noriko(Thanks!)

ldap/servers/slapd/back-ldbm/dblayer.c

@@ -414,7 +414,7 @@ dblayer_get_home_dir(struct ldbminfo *li, int *dbhome)
     if (NULL == home_dir)
     {
         LDAPDebug(LDAP_DEBUG_ANY,"Db home directory is not set. "
-            "Possibly %s (optinally %s) is missing in the config file.\n",
+            "Possibly %s (optionally %s) is missing in the config file.\n",
             CONFIG_DIRECTORY, CONFIG_DB_HOME_DIRECTORY, 0);
     }
     return home_dir;