[dconf] Include some extra headers for FreeBSD

[Ryan Lortie <ryanl src gnome org>]

commit 8c034076dc28b84968f35e525cb32473d39189bb
Author: Ryan Lortie <desrt desrt ca>
Date:   Tue Nov 2 11:18:19 2010 -0400

    Include some extra headers for FreeBSD

 common/dconf-shmdir.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/common/dconf-shmdir.c b/common/dconf-shmdir.c
index e1e8fdf..4b19da7 100644
--- a/common/dconf-shmdir.c
+++ b/common/dconf-shmdir.c
@@ -23,6 +23,8 @@
 
 #include <sys/statfs.h>
 #include <sys/vfs.h>
+#include <sys/param.h>
+#include <sys/mount.h>
 #include <errno.h>
 
 #ifndef NFS_SUPER_MAGIC