package/openvmtools: depend on host-nfs-utils

host-nfs-utils provides the host rpcgen utility. This fixes the build on
recent Fedora systems that removed rpcgen from the glibc package.

Fixes:
http://autobuild.buildroot.net/results/e21/e219b8bacb52bb661eb6663b82f549ed941f26fe

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/openvmtools/openvmtools.mk

@@ -17,7 +17,7 @@ OPENVMTOOLS_CONF_OPTS = --with-dnet \
 	--without-gtkmm --without-kernel-modules \
 	--disable-deploypkg --without-xerces
 OPENVMTOOLS_CONF_ENV += CUSTOM_DNET_CPPFLAGS=" "
-OPENVMTOOLS_DEPENDENCIES = libglib2 libdnet
+OPENVMTOOLS_DEPENDENCIES = host-nfs-utils libglib2 libdnet
 
 # When libfuse is available, openvmtools can build vmblock-fuse, so
 # make sure that libfuse gets built first