[gconf] Fix errno usage

[Matthias Clasen <matthiasc src gnome org>]

commit fa974a0c4a03fe7851c2d92cbc6ead17e4233de5
Author: Christian Persch <chpe gnome org>
Date:   Mon Apr 27 09:57:06 2009 -0400

    Fix errno usage
    
    In gconf_get_lock_or_current_holder a call to gconf_set_error could
    clobber errno before it was used. Fixes bug #579168.
---
 gconf/gconf-internals.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/gconf/gconf-internals.c b/gconf/gconf-internals.c
index 3d0fd07..9ef8031 100644
--- a/gconf/gconf-internals.c
+++ b/gconf/gconf-internals.c
@@ -2549,10 +2549,12 @@ gconf_get_lock_or_current_holder (const gchar  *lock_directory,
   if (g_mkdir (lock_directory, 0700) < 0 &&
       errno != EEXIST)
     {
+      int errsv = errno;
+
       gconf_set_error (err,
                        GCONF_ERROR_LOCK_FAILED,
                        _("couldn't create directory `%s': %s"),
-                       lock_directory, g_strerror (errno));
+                       lock_directory, g_strerror (errsv));
 
       return NULL;
     }