ws2_32: Add missing LeaveCriticalSection.

dlls/ws2_32/socket.c

@@ -494,7 +494,10 @@ static BOOL socket_list_add(SOCKET socket)
     }
     new_size = max(socket_list_size * 2, 8);
     if (!(new_array = heap_realloc(socket_list, new_size * sizeof(*socket_list))))
+    {
+        LeaveCriticalSection(&cs_socket_list);
         return FALSE;
+    }
     socket_list = new_array;
     memset(socket_list + socket_list_size, 0, (new_size - socket_list_size) * sizeof(*socket_list));
     socket_list[socket_list_size] = socket;