x11vnc: needs X11 support

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

CHANGES

@@ -31,7 +31,7 @@
 	python, quagga, radvd, rsync, rubix, samba, sawman, sdl,
 	shared-mime-info, sfdisk, spawn-fcgi, speech-tools, sqlite, squashfs,
 	synergy, syslinux, target-binutils, tcpdump, torsmo, u-boot, udpcast,
-	util-linux, valgrind, vsftpd, wipe, wpa-supplicant,
+	util-linux, valgrind, vsftpd, wipe, wpa-supplicant, x11vnc,
 	xdata_xcursor-themes, xboard, xstroke, zlib
 
 	Removed package: mdnsresponder, mpatrol, gcc 3.4.6 + 4.0.4, vice

package/x11vnc/Config.in

@@ -1,4 +1,5 @@
 config BR2_PACKAGE_X11VNC
 	bool "x11vnc"
+	depends on BR2_PACKAGE_XORG7
 	help
 	  VNC server for X11 display

package/x11vnc/x11vnc.mk

@@ -15,4 +15,6 @@ X11VNC_CONF_OPT = --target=$(GNU_TARGET_NAME) --host=$(GNU_TARGET_NAME) \
         --includedir=/usr/include \
 		--without-avahi
 
+X11VNC_DEPENDENCIES = xserver_xorg-server
+
 $(eval $(call AUTOTARGETS,package,x11vnc))