[gnome-builder] configure: add info on fpaste plugin

[Christian Hergert <chergert src gnome org>]

commit 0ad9d32f18bf4a9c206ed7f45cf1e0a28b432ed4
Author: Christian Hergert <chergert redhat com>
Date:   Tue Dec 15 15:05:56 2015 -0800

    configure: add info on fpaste plugin

 configure.ac |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index f31d05d..3554bb8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -489,6 +489,7 @@ echo "  Clang ................................ : ${enable_clang_plugin}"
 echo "  Command Bar .......................... : ${enable_command_bar_plugin}"
 echo "  Ctags ................................ : ${enable_ctags_plugin}"
 echo "  Devhelp .............................. : ${enable_devhelp_plugin}"
+echo "  Fpaste.org ........................... : ${enable_fpaste_plugin}"
 echo "  Git Version Control .................. : ${enable_git_plugin}"
 echo "  Global File Search ................... : ${enable_file_search_plugin}"
 echo "  GNOME Code Assistance ................ : ${enable_gnome_code_assistance_plugin}"