[metacity] configure.ac: change 'show build info' to 'show summary'

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 38e3f3aca139b3f5f8338f2f32d1a3010874b838
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sat Sep 26 04:22:19 2015 +0300

    configure.ac: change 'show build info' to 'show summary'

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index ef68a4f..db05e84 100644
--- a/configure.ac
+++ b/configure.ac
@@ -421,7 +421,7 @@ AC_CONFIG_FILES([
 AC_OUTPUT
 
 dnl **************************************************************************
-dnl Show build info
+dnl Show summary
 dnl **************************************************************************
 
 echo ""