recipes: add missing gtk-doc class dependencies

* These recipes all use gtk-doc m4 macros but were missing
  dependencies on the class.

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

meta-oe/recipes-connectivity/loudmouth/loudmouth_1.4.3.bb

@@ -6,7 +6,7 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=c4f38aef94828f6b280e00d1173be689"
 
 DEPENDS = "glib-2.0 libcheck openssl libidn"
 
-inherit gnomebase
+inherit gnomebase gtk-doc
 
 PR = "r2"
 

meta-oe/recipes-support/farsight/libnice_0.0.13.bb

@@ -16,7 +16,7 @@ DEPENDS = "glib-2.0 gstreamer"
 PACKAGECONFIG ??= ""
 PACKAGECONFIG[gupnp] = "--enable-gupnp,--disable-gupnp,gupnp-igd"
 
-inherit autotools pkgconfig
+inherit autotools pkgconfig gtk-doc
 
 FILES_${PN} += "${libdir}/gstreamer-0.10/*.so"
 FILES_${PN}-dev += "${libdir}/gstreamer-0.10/*.la"

meta-oe/recipes-support/libcanberra/libcanberra_0.29.bb

@@ -6,7 +6,7 @@ LIC_FILES_CHKSUM = "file://LGPL;md5=2d5025d4aa3495befef8f17206a5b0a1 \
 
 DEPENDS = "gstreamer gtk+ gtk+3 libtool libvorbis"
 
-inherit autotools
+inherit autotools gtk-doc
 
 SRC_URI = " \
     http://0pointer.de/lennart/projects/${BPN}/${BPN}-${PV}.tar.xz \

meta-oe/recipes-support/udisks/udisks_1.0.4.bb

@@ -17,7 +17,7 @@ SRC_URI[udisks.sha256sum] = "854b89368733b9c3a577101b761ad5397ae75a05110c8698ac5
 
 PR = "r9"
 
-inherit autotools systemd
+inherit autotools systemd gtk-doc
 
 PACKAGECONFIG ??= ""
 PACKAGECONFIG[parted] = "--enable-parted,--disable-parted,parted"