[gnome-initial-setup] copy-worker: Use getpwnam_r() rather than iterating over pwent

[Jasper St. Pierre <jstpierre src gnome org>]

commit b782bb922507aa167fcbf566e9b4b87439019d40
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Thu Jan 17 20:26:17 2013 -0500

    copy-worker: Use getpwnam_r() rather than iterating over pwent

 .../gnome-initial-setup-copy-worker.c              |   15 +++++----------
 1 files changed, 5 insertions(+), 10 deletions(-)
---
diff --git a/gnome-initial-setup/gnome-initial-setup-copy-worker.c b/gnome-initial-setup/gnome-initial-setup-copy-worker.c
index 05208e0..1863695 100644
--- a/gnome-initial-setup/gnome-initial-setup-copy-worker.c
+++ b/gnome-initial-setup/gnome-initial-setup-copy-worker.c
@@ -14,16 +14,11 @@ get_gnome_initial_setup_home_dir (void)
   struct passwd pw, *pwp;
   char buf[4096];
 
-  setpwent();
-  while (TRUE) {
-    if (getpwent_r (&pw, buf, sizeof (buf), &pwp))
-      break;
-
-    if (strcmp (pwp->pw_name, "gnome-initial-setup") == 0)
-      return g_strdup (pwp->pw_dir);
-  }
-
-  return NULL;
+  getpwnam_r ("gnome-initial-setup", &pw, buf, sizeof (buf), &pwp);
+  if (pwp != NULL)
+    return g_strdup (pwp->pw_dir);
+  else
+    return NULL;
 }
 
 static void