[gnome-terminal] build: Fix option description

[Christian Persch <chpe src gnome org>]

commit c5b09725e56ba9f772341e103ea6e03eca7a83a7
Author: Christian Persch <chpe gnome org>
Date:   Tue Apr 9 17:54:50 2013 +0200

    build: Fix option description

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 550e67b..5060d0d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -173,7 +173,7 @@ fi
 # ******************
 
 AC_ARG_WITH([nautilus-extension],
-  [AS_HELP_STRING([--without-nautilus-extension],[Disable nautilus extension])],
+  [AS_HELP_STRING([--with-nautilus-extension],[Enable nautilus extension])],
   [],
   [with_nautilus_extension=no])