Fixed reference to incorrect variable if unknown host configured crash.

* Fixed a LOG_ERROR message referencing the config variable list v that
had previously been processed and became NULL.

* Added error return value set that was missing in an ast_append_ha()
error return path.

(closes issue ASTERISK-18743)
Reported by: Michele
Patches:
      issueA18743-fix_dynamic_exclude_static_bad_host_log.patch (license #5674) patch uploaded by Walter Doekes
Tested by: Michele
........

Merged revisions 343851 from http://svn.asterisk.org/svn/asterisk/branches/1.8
........

Merged revisions 343852 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@343853 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/acl.c

@@ -408,6 +408,9 @@ struct ast_ha *ast_append_ha(const char *sense, const char *stuff, struct ast_ha
 	}
 
 	if (!(ha = ast_calloc(1, sizeof(*ha)))) {
+		if (error) {
+			*error = 1;
+		}
 		return ret;
 	}