restructured member variable names

diff --git a/libasn1parser/asn1p_module.c b/libasn1parser/asn1p_module.c
index d430844..0202f0f 100644
--- a/libasn1parser/asn1p_module.c
+++ b/libasn1parser/asn1p_module.c
@@ -27,8 +27,8 @@
 	if(mod) {
 		asn1p_expr_t *expr;
 
-		if(mod->Identifier)
-			free(mod->Identifier);
+		if(mod->ModuleName)
+			free(mod->ModuleName);
 
 		if(mod->module_oid)
 			asn1p_oid_free(mod->module_oid);