xl2tpd: update to 1.3.10

lock is no longer needed and it breaks the setup
explicit added PKG_BUILD_DEPENDS:=libpcap, an indirect depend included in ppp and needed for pfc

Signed-off-by: Lucian Cristian <lucian.cristian@gmail.com>

net/xl2tpd/Makefile

@@ -8,8 +8,8 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=xl2tpd
-PKG_VERSION:=devel-20151125
-PKG_RELEASE:=3
+PKG_VERSION:=1.3.10
+PKG_RELEASE:=1
 PKG_MAINTAINER:=Yousong Zhou <yszhou4tech@gmail.com>
 PKG_LICENSE:=GPL-2.0
 PKG_LICENSE_FILES:=LICENSE
@@ -17,9 +17,11 @@ PKG_LICENSE_FILES:=LICENSE
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=https://github.com/xelerance/xl2tpd.git
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
-PKG_SOURCE_VERSION:=e2065bf0fc22ba33001ad503c01bba01648024a8
+PKG_SOURCE_VERSION:=090d1bef577cabdb3495d76acd814733fa66ef57
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
-PKG_MIRROR_HASH:=8b15c0069cdab7080796f92f86c84b79e430679ce77fb6ea95749fe932bb87c4
+PKG_MIRROR_HASH:=bcddc10e28a74dec607e67cbbea97220f6bfd696b0378a7c30ec8a3e0ac86be1
+
+PKG_BUILD_DEPENDS:=libpcap
 
 PKG_INSTALL:=1
 
@@ -40,9 +42,6 @@ It does implement both LAC and LNS role in a L2TP networking architecture. The
 main goal of this protocol is to tunnel PPP frame trough an IP network.
 endef
 
-# Use optimization options from OpenWrt build system
-MAKE_FLAGS += OFLAGS=""
-
 ifneq (0,0)
   # debugging options from Makefile of xl2tpd package
   EXTRA_CFLAGS += \