Rebrand get_info(xchatdir) but remain compatible for Perl and Python

src/common/plugin.c

@@ -1054,9 +1054,11 @@ hexchat_get_info (hexchat_plugin *ph, const char *id)
 		return PACKAGE_VERSION;
 
 	case 0xdd9b1abd:	/* xchatdir */
+	case 0x9a70daba:	/* hexchatdir */
 		return get_xdir_utf8 ();
 
 	case 0xe33f6c4a:	/* xchatdirfs */
+	case 0xc1a52107:	/* hexchatdirfs */
 		return get_xdir_fs ();
 	}