recipes: add missing pkgconfig class inherits

* These recipes all use pkg-config in some way but were missing
  dependencies on the tool, this patch adds them.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-networking/recipes-daemons/radvd/radvd.inc

@@ -18,7 +18,7 @@ SRC_URI = "http://v6web.litech.org/radvd/dist/radvd-${PV}.tar.gz \
            file://radvd.init \
            file://volatiles.03_radvd"
 
-inherit autotools update-rc.d useradd
+inherit autotools update-rc.d useradd pkgconfig
 
 do_install_append () {
     install -m 0755 -d ${D}${sysconfdir}/init.d \

meta-networking/recipes-filter/conntrack-tools/conntrack-tools_1.4.0.bb

@@ -13,7 +13,7 @@ SRC_URI = " \
 SRC_URI[tar.md5sum] = "ee737c774e01349f75e935228a2d851b"
 SRC_URI[tar.sha256sum] = "036b032a5c4d180aad686df21399d74506b9b3d3000794eb13ac313482e24896"
 
-inherit autotools-brokensep update-rc.d
+inherit autotools-brokensep update-rc.d pkgconfig
 
 INITSCRIPT_NAME = "conntrackd"
 

meta-networking/recipes-support/dovecot/dovecot_2.2.10.bb

@@ -13,7 +13,7 @@ SRC_URI[sha256sum] = "75592483d40dc4f76cc3b41af40caa4be80478946a699d46846d5d03e4
 
 DEPENDS = "openssl xz zlib bzip2 libcap"
 
-inherit autotools
+inherit autotools pkgconfig
 
 PACKAGECONFIG ??= " \
                    ${@base_contains('DISTRO_FEATURES', 'ldap', 'ldap', '', d)} \

meta-networking/recipes-support/lowpan-tools/lowpan-tools_git.bb

@@ -14,7 +14,7 @@ SRCREV = "a1d9615adde6d1a568813c24a128273ed755af04"
 
 S = "${WORKDIR}/git"
 
-inherit autotools python-dir
+inherit autotools python-dir pkgconfig
 
 CACHED_CONFIGUREVARS += "am_cv_python_pythondir=${PYTHON_SITEPACKAGES_DIR}/lowpan-tools"
 

meta-networking/recipes-support/netcf/netcf_git.bb

@@ -16,7 +16,7 @@ DEPENDS += "augeas libnl libxslt libxml2 gnulib"
 
 S = "${WORKDIR}/git"
 
-inherit gettext autotools-brokensep
+inherit gettext autotools-brokensep pkgconfig
 
 EXTRA_OECONF_append_class-target = " --with-driver=redhat"
 do_configure_prepend() {

meta-networking/recipes-support/strongswan/strongswan_5.1.1.bb

@@ -31,7 +31,7 @@ PACKAGECONFIG[curl] = "--enable-curl,--disable-curl,curl,"
 PACKAGECONFIG[soup] = "--enable-soup,--disable-soup,libsoup-2.4,"
 PACKAGECONFIG[mysql] = "--enable-mysql,--disable-mysql,mysql5,"
 
-inherit autotools systemd
+inherit autotools systemd pkgconfig
 
 RRECOMMENDS_${PN} = "kernel-module-ipsec"