virDomainDefParse{File,String}: Introduce @parseOpaque argument

We want to pass the proper opaque pointer instead of NULL to
virDomainDefParse and subsequently virDomainDefParseNode too.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>

src/security/virt-aa-helper.c

@@ -704,7 +704,7 @@ get_definition(vahControl * ctl, const char *xmlStr)
     }
 
     ctl->def = virDomainDefParseString(xmlStr,
-                                       ctl->caps, ctl->xmlopt,
+                                       ctl->caps, ctl->xmlopt, NULL,
                                        VIR_DOMAIN_DEF_PARSE_SKIP_VALIDATE);
 
     if (ctl->def == NULL) {