Patch to enable dbus by default

[Tom Tromey]

I think dbus support should default to 'on', not 'off'.  If dbus is
not detected, it will not be used, so this patch should not break
anything.

Tom

ChangeLog:
2008-01-27  Tom Tromey  <address@hidden>

        * configure.in (--with-dbus): Default to enabled.

Index: configure.in
===================================================================
RCS file: /sources/emacs/emacs/configure.in,v
retrieving revision 1.502
diff -u -r1.502 configure.in
--- configure.in        27 Jan 2008 16:06:01 -0000      1.502
+++ configure.in        27 Jan 2008 22:57:46 -0000
@@ -142,7 +137,7 @@
 OPTION_DEFAULT_OFF([carbon],[use Carbon GUI on Mac OS X.  This is 
unsupported!])
 
 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux 
console])
-OPTION_DEFAULT_OFF([dbus],[compile with D-Bus support])
+OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
 
 
 AC_ARG_WITH([pkg-config-prog],dnl