[gnome-menus] libmenu: Simplify some code

[Vincent Untz <vuntz src gnome org>]

commit 6ba57847943cd74839a306ed6c8926401e370b85
Author: Vincent Untz <vuntz gnome org>
Date:   Sun Jun 12 12:50:05 2011 +0200

    libmenu: Simplify some code

 libmenu/desktop-entries.c |   27 ++++++++++++++-------------
 1 files changed, 14 insertions(+), 13 deletions(-)
---
diff --git a/libmenu/desktop-entries.c b/libmenu/desktop-entries.c
index 4d30c7d..fc918bf 100644
--- a/libmenu/desktop-entries.c
+++ b/libmenu/desktop-entries.c
@@ -346,7 +346,6 @@ DesktopEntry *
 desktop_entry_copy (DesktopEntry *entry)
 {
   DesktopEntry *retval;
-  int           i;
 
   menu_verbose ("Copying desktop entry \"%s\"\n",
                 entry->basename);
@@ -367,23 +366,23 @@ desktop_entry_copy (DesktopEntry *entry)
     {
       DesktopEntryDesktop *desktop_entry = (DesktopEntryDesktop*) entry;
       DesktopEntryDesktop *retval_desktop_entry = (DesktopEntryDesktop*) retval;
+      int i;
 
       retval_desktop_entry->appinfo = g_object_ref (desktop_entry->appinfo);
 
-      i = 0;
       if (desktop_entry->categories != NULL)
         {
+          i = 0;
           for (; desktop_entry->categories[i]; i++);
-        }
 
-      retval_desktop_entry->categories = g_new0 (GQuark, i + 1);
+          retval_desktop_entry->categories = g_new0 (GQuark, i + 1);
 
-      i = 0;
-      if (desktop_entry->categories != NULL)
-        {
+          i = 0;
           for (; desktop_entry->categories[i]; i++)
             retval_desktop_entry->categories[i] = desktop_entry->categories[i];
         }
+      else
+        retval_desktop_entry->categories = NULL;
     }
   else if (entry->type == DESKTOP_ENTRY_DIRECTORY)
     {
@@ -565,20 +564,22 @@ desktop_entry_add_legacy_category (DesktopEntry *entry)
   menu_verbose ("Adding Legacy category to \"%s\"\n",
                 entry->basename);
 
-  i = 0;
   if (desktop_entry->categories != NULL)
     {
+      i = 0;
       for (; desktop_entry->categories[i]; i++);
-    }
 
-  categories = g_new0 (GQuark, i + 2);
+      categories = g_new0 (GQuark, i + 2);
 
-  i = 0;
-  if (desktop_entry->categories != NULL)
-    {
+      i = 0;
       for (; desktop_entry->categories[i]; i++)
         categories[i] = desktop_entry->categories[i];
     }
+  else
+    {
+      categories = g_new0 (GQuark, 2);
+      i = 0;
+    }
 
   categories[i] = g_quark_from_string ("Legacy");