dbus: Fix build issue when libx11 isn't installed.

dbus/.md5sum

@@ -1,3 +1,4 @@
 23bc5ff22fe4f9a208d65fbbfd489ad9  30-dbus.launch
+85d76404ef5ce9e86f7009dfd4c4b5a6  dbus-1.1.20-fix-build.patch
 c552b9bc4b69e4c602644abc21b7661e  dbus-1.1.20.tar.gz
 dd882e45b9397a5dbf8650057ee9a340  rc.dbus

dbus/Pkgfile

@@ -6,12 +6,14 @@
 
 name=dbus
 version=1.1.20
-release=1
+release=2
 source=(http://dbus.freedesktop.org/releases/dbus/$name-$version.tar.gz \
-	rc.dbus 30-dbus.launch)
+rc.dbus 30-dbus.launch \
+$name-$version-fix-build.patch)
 
 build() {
 	cd $name-$version
+	patch -p1 -i $SRC/$name-$version-fix-build.patch
 	./configure --prefix=/usr \
 		--with-dbus-daemondir=/usr/sbin \
 		--localstatedir=/var \

dbus/dbus-1.1.20-fix-build.patch

@@ -0,0 +1,14 @@
+diff --git a/tools/dbus-launch.c b/tools/dbus-launch.c
+index 5d6e77e..6a10ffa 100644
+--- a/tools/dbus-launch.c
++++ b/tools/dbus-launch.c
+@@ -966,7 +966,9 @@ main (int argc, char **argv)
+       char write_pid_fd_as_string[MAX_FD_LEN];
+       char write_address_fd_as_string[MAX_FD_LEN];
+ 
++#ifdef DBUS_BUILD_X11
+       xdisplay = NULL;
++#endif
+ 
+       if (close_stderr)
+ 	do_close_stderr ();