Parsing of flag -T was falling through to the default case.

Init the TLS environment if necessary.  Lots of things needed here,
in particular, preparing properly the default context.

servers/slapd/main.c

@@ -344,6 +344,7 @@ int main( int argc, char **argv )
 #ifdef HAVE_TLS
 		case 'T':  /* Bind on TLS port */
 			use_tls_port = 1;
+			break;
 #endif
 		default:
 			usage( argv[0] );
@@ -382,6 +383,11 @@ int main( int argc, char **argv )
 		goto destroy;
 	}
 
+#ifdef HAVE_TLS
+	ldap_pvt_tls_init();
+	ldap_pvt_tls_init_def_ctx();
+#endif
+
 	if ( read_config( configfile ) != 0 ) {
 		rc = 1;
 		SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 19 );