fix: slaptest doesn't convert perlModuleConfig lines

Resolves: #1184585
Upstream: ITS #8105
Author: Jan Synacek <jsynacek@redhat.com>

diff --git a/servers/slapd/back-perl/config.c b/servers/slapd/back-perl/config.c
index fd00965..d1c7886 100644
--- a/servers/slapd/back-perl/config.c
+++ b/servers/slapd/back-perl/config.c
@@ -219,9 +219,11 @@ perl_cf(
 			XPUSHs( pb->pb_obj_ref );
 
 			/* Put all arguments on the perl stack */
-			for( args = 1; args < c->argc; args++ ) {
+			for( args = 1; args < c->argc; args++ )
 				XPUSHs(sv_2mortal(newSVpv(c->argv[args], 0)));
-			}
+
+			ber_str2bv( c->line + STRLENOF("perlModuleConfig "), 0, 0, &bv );
+			value_add_one( &pb->pb_module_config, &bv );
 
 			PUTBACK ;