[PATCH 3/6] server: Make WinSta0 winstation object permanent.

[Rémi Bernon]

From: Rémi Bernon

Avoids losing monitor information when explorer is shutdown.

The info is still cached in the registry and we will only inform
wineserver about display monitors when invalidating the cache.
---
 server/winstation.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/server/winstation.c b/server/winstation.c
index e5f4bfec357..109715d77b3 100644
--- a/server/winstation.c
+++ b/server/winstation.c
@@ -154,6 +154,11 @@ static struct winstation *create_winstation( struct object *root, const struct u
                 release_object( winstation );
                 return NULL;
             }
+            if (flags & WSF_VISIBLE)
+            {
+                grab_object( winstation );
+                make_object_permanent( &winstation->obj );
+            }
         }
         else clear_error();
     }
@@ -862,7 +867,15 @@ DECL_HANDLER(set_user_object_info)
         struct winstation *winstation = (struct winstation *)obj;
         reply->is_desktop = 0;
         reply->old_obj_flags = winstation->flags;
-        if (req->flags & SET_USER_OBJECT_SET_FLAGS) winstation->flags = req->obj_flags;
+        if (req->flags & SET_USER_OBJECT_SET_FLAGS)
+        {
+            if (!(winstation->flags & WSF_VISIBLE) && (req->obj_flags & WSF_VISIBLE))
+            {
+                grab_object( winstation );
+                make_object_permanent( &winstation->obj );
+            }
+            winstation->flags = req->obj_flags;
+        }
     }
     else
     {