ntdll: Remove NULL checks for attr, which has already been dereferenced.

dlls/ntdll/virtual.c

@@ -1956,8 +1956,8 @@ NTSTATUS WINAPI NtOpenSection( HANDLE *handle, ACCESS_MASK access, const OBJECT_
     SERVER_START_REQ( open_mapping )
     {
         req->access  = access;
-        req->attributes = (attr) ? attr->Attributes : 0;
-        req->rootdir = attr ? attr->RootDirectory : 0;
+        req->attributes = attr->Attributes;
+        req->rootdir = attr->RootDirectory;
         wine_server_add_data( req, attr->ObjectName->Buffer, len );
         if (!(ret = wine_server_call( req ))) *handle = reply->handle;
     }