x11vnc: Fix the start failure

Default parameter "-gui" and "-rfbport" make x11vnc failed to start if no
"wish" installed.

[BUGID #781] got fixed.

(From OE-Core rev: 1e1b59cd94a3fb3092b4334cd247d2d18c9e8071)

Signed-off-by: Zhai Edwin <edwin.zhai@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-graphics/x11vnc/files/starting-fix.patch

@@ -0,0 +1,18 @@
+"-gui" & "-rfbport" require "wish" installed, or else x11vnc fails to start.
+Removing these 2 parameters makes x11vnc works well on poky sato image.
+
+
+Signed-off-by: Zhai Edwin <edwin.zhai@intel.com>
+Index: x11vnc-0.9.12/x11vnc/x11vnc.desktop
+===================================================================
+--- x11vnc-0.9.12.orig/x11vnc/x11vnc.desktop	2011-03-03 10:33:18.000000000 +0800
++++ x11vnc-0.9.12/x11vnc/x11vnc.desktop	2011-03-03 10:35:20.000000000 +0800
+@@ -1,7 +1,7 @@
+ [Desktop Entry]
+ Name=X11VNC Server
+ Comment=Share this desktop by VNC
+-Exec=x11vnc -gui tray=setpass -rfbport PROMPT -bg -o %%HOME/.x11vnc.log.%%VNCDISPLAY
++Exec=x11vnc -bg -o %%HOME/.x11vnc.log.%%VNCDISPLAY
+ Icon=computer
+ Terminal=false
+ Type=Application

meta/recipes-graphics/x11vnc/x11vnc_0.9.12.bb

@@ -9,7 +9,8 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=361b6b837cad26c6900a926b62aada5f \
 
 DEPENDS = "openssl virtual/libx11 libxext avahi jpeg zlib"
 
-SRC_URI = "${SOURCEFORGE_MIRROR}/libvncserver/x11vnc-${PV}.tar.gz"
+SRC_URI = "${SOURCEFORGE_MIRROR}/libvncserver/x11vnc-${PV}.tar.gz\
+           file://starting-fix.patch;patch=1"
 
 SRC_URI[md5sum] = "1498a68d02aa7b6c97bf746c073c8d00"
 SRC_URI[sha256sum] = "60a7cceee2c9a5f1c854340b2bae13f975ac55906237042f81f795b28a154a79"