ITS#8105 back-perl: correctly convert perlModuleConfig

perlModuleConfig lines are not converted when using slaptest -f -F.

servers/slapd/back-perl/config.c

@@ -221,6 +221,9 @@ perl_cf(
 			/* Put all arguments on the perl stack */
 			for( args = 1; args < c->argc; args++ ) {
 				XPUSHs(sv_2mortal(newSVpv(c->argv[args], 0)));
+
+				ber_str2bv( c->argv[args], 0, 0, &bv );
+				value_add_one( &pb->pb_module_config, &bv );
 			}
 
 			PUTBACK ;