[SSSD] [sssd PR#359][comment] CONFDB: Do not crash with an invalid domain_type value

[fidencio]

  URL: https://github.com/SSSD/sssd/pull/359
Title: #359: CONFDB: Do not crash with an invalid domain_type value

fidencio commented:
"""
Hmm. Nice catch. @lslebodn.

@jhrozek:
```
diff --git a/src/confdb/confdb.c b/src/confdb/confdb.c
index 039d0fd8d..1db5a4862 100644
--- a/src/confdb/confdb.c
+++ b/src/confdb/confdb.c
@@ -1345,6 +1345,7 @@ static int confdb_get_domain_internal(struct confdb_ctx *cdb,
         } else {
             DEBUG(SSSDBG_FATAL_FAILURE,
                   "Invalid value for %s\n", CONFDB_DOMAIN_CASE_SENSITIVE);
+            ret = EINVAL;
             goto done;
         }
     } else {
```
"""

See the full comment at https://github.com/SSSD/sssd/pull/359#issuecomment-325888656