ulogd: Backport JSON network patch

It was requested in #9065 .

Cleaned up Makefile slightly.

Removed inactive maintainer.

Added PKG_BUILD_PARALLEL for faster compilation.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

net/ulogd/Makefile

@@ -9,26 +9,33 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=ulogd
 PKG_VERSION:=2.0.7
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_URL:=https://netfilter.org/projects/ulogd/files/ \
 	ftp://ftp.netfilter.org/pub/ulogd/
 PKG_HASH:=990a05494d9c16029ba0a83f3b7294fc05c756546b8d60d1c1572dc25249a92b
 
-PKG_LICENSE:=GPL-2.0
+PKG_MAINTAINER:=
+PKG_LICENSE:=GPL-2.0-only
 PKG_LICENSE_FILES:=COPYING
-PKG_MAINTAINER:=Nicolas Thill <nico@openwrt.org>
 
-PKG_FIXUP:=autoreconf
 PKG_INSTALL:=1
+PKG_BUILD_PARALLEL:=1
+
+PKG_BUILD_DEPENDS:=libnetfilter-acct libnetfilter-conntrack libnetfilter-log
+PKG_CONFIG_DEPENDS:= \
+	CONFIG_PACKAGE_ulogd-mod-dbi \
+	CONFIG_PACKAGE_ulogd-mod-mysql \
+	CONFIG_PACKAGE_ulogd-mod-pgsql \
+	CONFIG_PACKAGE_ulogd-mod-sqlite
 
 include $(INCLUDE_DIR)/package.mk
 
 define Package/ulogd/Default
   SECTION:=net
   CATEGORY:=Network
-  URL:=http://www.netfilter.org/projects/ulogd/index.html
+  URL:=https://www.netfilter.org/projects/ulogd/index.html
 endef
 
 define Package/ulogd
@@ -114,21 +121,10 @@ define Package/ulogd-mod-extra
   TITLE:=Extra plugins
 endef
 
-PKG_BUILD_DEPENDS:=libnetfilter-acct libnetfilter-conntrack libnetfilter-log
-
-PKG_CONFIG_DEPENDS:= \
-	CONFIG_PACKAGE_ulogd-mod-dbi \
-	CONFIG_PACKAGE_ulogd-mod-mysql \
-	CONFIG_PACKAGE_ulogd-mod-pgsql \
-	CONFIG_PACKAGE_ulogd-mod-sqlite \
-
-TARGET_CFLAGS += \
-	-D_GNU_SOURCE \
-
 CONFIGURE_ARGS += \
 	--enable-nfacct \
 	--enable-nfct \
-	--enable-nflog \
+	--enable-nflog
 
 ifneq ($(DEVELOPER)$(SDK)$(CONFIG_PACKAGE_ulogd-mod-dbi),)
 	CONFIGURE_ARGS += --with-dbi \