tools/virtiofsd: convert to Meson

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/configure b/configure
index 75ffe30..4d8936e 100755
--- a/configure
+++ b/configure
@@ -7047,6 +7047,7 @@
 fi
 if test "$cap_ng" = "yes" ; then
   echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
+  echo "LIBCAP_NG_LIBS=$cap_libs" >> $config_host_mak
 fi
 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
 for drv in $audio_drv_list; do