[gtk: 1/2] GdkWin32: Plug memory leak

[Luca Bacci <lbacci src gnome org>]

commit 288dd406e03aef7aa570e59559bda343aab67014
Author: Luca Bacci <luca bacci982 gmail com>
Date:   Thu May 19 08:49:05 2022 +0200

    GdkWin32: Plug memory leak

 gdk/win32/gdkinput-dmanipulation.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/gdk/win32/gdkinput-dmanipulation.c b/gdk/win32/gdkinput-dmanipulation.c
index 49244f02c2..82b60e209b 100644
--- a/gdk/win32/gdkinput-dmanipulation.c
+++ b/gdk/win32/gdkinput-dmanipulation.c
@@ -355,6 +355,8 @@ reset_viewport (IDirectManipulationViewport *viewport)
   hr = IDirectManipulationContent_SyncContentTransform (content, identity,
                                                         G_N_ELEMENTS (identity));
   HR_CHECK (hr);
+
+  IUnknown_Release (content);
 }
 
 static void