Please describe the problem:
gconfd.c calls fdatasync(int). This function is not available on OSX.

Steps to reproduce:
1. 
2. 
3. 


Actual results:


Expected results:


Does this happen every time?


Other information:
This patch fixes the problem (and should do for any OS without fdatasync()):
===================================================================
--- configure.in        (revision 2715)
+++ configure.in        (working copy)
@@ -205,7 +205,7 @@
 
 AC_CHECK_HEADERS(syslog.h sys/wait.h)
 
-AC_CHECK_FUNCS(getuid sigaction fsync fchmod fdwalk)
+AC_CHECK_FUNCS(getuid sigaction fsync fchmod fdwalk fdatasync)
 
 
 LDAP_LIBS=
Index: gconf/gconfd.c
===================================================================
--- gconf/gconfd.c      (revision 2715)
+++ gconf/gconfd.c      (working copy)
@@ -1638,8 +1638,11 @@
 
       goto out;
     }
-
+#ifdef HAVE_FDATASYNC
   if (fdatasync (fd) < 0)
+#else
+      if (fsync (fd) < 0)
+#endif
     {
       gconf_log (GCL_WARNING,
                  _("Could not flush saved state file '%s' to disk: %s"),