[PATCH] server: Handle duplicate handles when inheriting them for the new process.

[Nikolay Sivov]

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=50004
Signed-off-by: Nikolay Sivov 
---
 server/handle.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/server/handle.c b/server/handle.c
index 15382256f10..2556a03901e 100644
--- a/server/handle.c
+++ b/server/handle.c
@@ -363,8 +363,9 @@ static void inherit_handle( struct process *parent, const obj_handle_t handle, s

src = get_handle( parent, handle );
     if (!src || !(src->access & RESERVED_INHERIT)) return;
-    grab_object_for_handle( src->ptr );
     index = handle_to_index( handle );
+    if (dst[index].ptr) return;
+    grab_object_for_handle( src->ptr );
     dst[index] = *src;
     table->last = max( table->last, index );
 }