[gnome-builder] build: add tracing info to configure output.

[Christian Hergert <chergert src gnome org>]

commit 20324446e565d3fa280c161c5addd93a94320ff1
Author: Christian Hergert <christian hergert me>
Date:   Tue Sep 16 12:50:17 2014 -0700

    build: add tracing info to configure output.

 build/autotools/autoconf.d/20_debug.post-config    |    2 +-
 .../autoconf.d/30_command_line_options.pre-am      |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/build/autotools/autoconf.d/20_debug.post-config b/build/autotools/autoconf.d/20_debug.post-config
index 83ed7e5..990d696 100644
--- a/build/autotools/autoconf.d/20_debug.post-config
+++ b/build/autotools/autoconf.d/20_debug.post-config
@@ -1 +1 @@
-echo "  Debug ............................ : ${enable_debug}"
+echo "  Tracing .......................... : ${enable_tracing}"
diff --git a/build/autotools/autoconf.d/30_command_line_options.pre-am 
b/build/autotools/autoconf.d/30_command_line_options.pre-am
index c566435..cb091e9 100644
--- a/build/autotools/autoconf.d/30_command_line_options.pre-am
+++ b/build/autotools/autoconf.d/30_command_line_options.pre-am
@@ -2,7 +2,7 @@ AC_ARG_ENABLE([tracing],
               [AS_HELP_STRING([--enable-tracing=@<:@no/yes@:>@],
                               [turn on tracing @<:@default=no@:>@])],
                               [],
-                              [enable_debug=no])
+                              [enable_tracing=no])
 
 # use strict compiler flags only on development releases
 m4_define([maintainer_flags_default], [m4_if(m4_eval(project_minor_version % 2), [1], [yes], [no])])