[f-spot] fix aclocal warning:

[Ruben Vermeersch <rubenv src gnome org>]

commit ebdbd75271e48a93047d72fed6c4ed52b0336e5f
Author: Christian Krause <chkr plauener de>
Date:   Sat Jun 19 21:04:01 2010 +0200

    fix aclocal warning:
    
    warning: underquoted definition of F_CHECK_BERKELEYDB

 acinclude.m4 |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/acinclude.m4 b/acinclude.m4
index 77ad68b..3bd3ff1 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -2,7 +2,7 @@
 ###
 ### Check for the right version of the Berkeley DB library.
 
-AC_DEFUN(F_CHECK_BERKELEYDB, [
+AC_DEFUN([F_CHECK_BERKELEYDB], [
 
 	AC_ARG_WITH(db4,          [  --with-db4=PREFIX              Location of db4],
 		[with_db4_includes="$withval/include"