[tracker] Fixed --disable-nautilus-extension which was broken

[Martyn James Russell <mr src gnome org>]

commit a4c8cbaa4c8bee60bf5e23ff804e75264765b5c3
Author: Martyn Russell <martyn lanedo com>
Date:   Fri Dec 18 15:46:08 2009 +0000

    Fixed --disable-nautilus-extension which was broken

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 22777eb..168f1cf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1502,7 +1502,7 @@ AM_CONDITIONAL(HAVE_EVOLUTION_PLUGIN, test "$have_evolution_plugin" = "yes")
 
 AC_ARG_ENABLE([nautilus-extension],
               AS_HELP_STRING([--enable-nautilus-extension],
-                             [Enable the nautilus extension [[default=auto]]]),
+                             [Enable the nautilus extension [[default=auto]]]),,
               [enable_nautilus_extension=auto])
 
 if test "x$enable_nautilus_extension" != "xno"; then