diff -Nur xpi-live_http_headers.orig/Makefile xpi-live_http_headers/Makefile
--- xpi-live_http_headers.orig/Makefile	2011-07-04 11:10:27.000000000 +0200
+++ xpi-live_http_headers/Makefile	2011-07-04 11:16:47.000000000 +0200
@@ -8,6 +8,7 @@
 PORTNAME=	live_http_headers
 PORTVERSION=	0.17
 DISTVERSIONSUFFIX=	-fx+sm
+PORTREVISION=	1
 CATEGORIES=	www
 PKGNAMEPREFIX=	xpi-
 
@@ -34,5 +35,8 @@
 		defaults/preferences \
 		defaults
 
+post-patch:
+	@${FIND} ${WRKSRC} -name \*.orig -exec ${RM} \{} \;
+
 .include "../xpi-adblock/Makefile.xpi"
 .include <bsd.port.mk>
diff -Nur xpi-live_http_headers.orig/files/patch-install.rdf xpi-live_http_headers/files/patch-install.rdf
--- xpi-live_http_headers.orig/files/patch-install.rdf	1970-01-01 01:00:00.000000000 +0100
+++ xpi-live_http_headers/files/patch-install.rdf	2011-07-04 11:14:29.000000000 +0200
@@ -0,0 +1,11 @@
+--- install.rdf.orig	2011-07-04 11:13:28.000000000 +0200
++++ install.rdf	2011-07-04 11:14:04.000000000 +0200
+@@ -16,7 +16,7 @@
+       <Description>
+         <em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
+         <em:minVersion>0.8</em:minVersion>
+-        <em:maxVersion>4.0.*</em:maxVersion>
++        <em:maxVersion>6.*</em:maxVersion>
+       </Description>
+     </em:targetApplication>
+     <!-- Flock -->