rtpengine: update to LTS version

Upstreamed patch removed. Build workaround removed as fixed upstream.

Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>

net/rtpengine/Makefile

@@ -9,23 +9,19 @@ include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/kernel.mk
 
 PKG_NAME:=rtpengine
-PKG_VERSION:=mr8.3.1.4
-PKG_RELEASE:=4
+PKG_VERSION:=mr8.5.1.1
+PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://codeload.github.com/sipwise/rtpengine/tar.gz/$(PKG_VERSION)?
-PKG_HASH:=18c998b776b36bec6d8c9d92ba21a38ffad76ccd20d66f99799420550eaa6fd4
+PKG_HASH:=170377d663f9f9da790aa1ff262001940bfc4e930547807182fcceb8d8ee987e
 
 PKG_LICENSE:=GPL-3.0
 PKG_LICENSE_FILES:=LICENSE
 
 PKG_MAINTAINER:=Sebastian Kemper <sebastian_ml@gmx.net>
 
-# When building in parallel, some files (like streambuf.c or dtmflib.c)
-# are generated multiple times by the rtpengine build system.
-# Intermittently they then contain garbage, leading to redefinition
-# errors.
-PKG_BUILD_PARALLEL:=0
+PKG_BUILD_PARALLEL:=1
 
 PKG_BUILD_DEPENDS:=gperf/host
 

net/rtpengine/patches/02-kernel-include.patch

@@ -1,10 +0,0 @@
---- a/kernel-module/xt_RTPENGINE.c
-+++ b/kernel-module/xt_RTPENGINE.c
-@@ -2,6 +2,7 @@
- #include <linux/module.h>
- #include <linux/skbuff.h>
- #include <linux/ip.h>
-+#include <net/ip6_checksum.h>
- #include <linux/udp.h>
- #include <linux/icmp.h>
- #include <linux/version.h>