[unique] build: Fix typo in --enable-debug AS_CASE

[Emmanuele Bassi <ebassi src gnome org>]

commit 16aa2b32594f15175fcebc28b2931ee85c31b6e6
Author: Emmanuele Bassi <ebassi linux intel com>
Date:   Mon Apr 4 22:44:19 2011 +0100

    build: Fix typo in --enable-debug AS_CASE

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index d3ef859..c929b62 100644
--- a/configure.ac
+++ b/configure.ac
@@ -225,7 +225,7 @@ AS_CASE([$enable_debug],
         [minimum],
         [
           UNIQUE_DEBUG_CFLAGS="-DG_DISABLE_CAST_CHECKS"
-        ]
+        ],
 
         [AC_MSG_ERROR([Unknown argument to --enable-debug])]
 )