[PATCH v3 3/4] msvcrt: Call Release instead of AddRef for WinRT exceptions in copy_exception helper.

[Vibhav Pant]

From: Vibhav Pant

---
 dlls/msvcrt/cppexcept.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/dlls/msvcrt/cppexcept.h b/dlls/msvcrt/cppexcept.h
index 0f64f97dd20..9abdcc0569b 100644
--- a/dlls/msvcrt/cppexcept.h
+++ b/dlls/msvcrt/cppexcept.h
@@ -261,8 +261,10 @@ static inline void copy_exception( void *object, void **dest, UINT catch_flags,
     }
     else if (type->flags & CLASS_IS_SIMPLE_TYPE)
     {
+        /* WinRT exceptions are thrown with a reference count of 2, the refcount is decreased before it's handed off to a
+        * matching catch block. */
         if (type->flags & CLASS_IS_WINRT && *(IUnknown**)object)
-            IUnknown_AddRef(*(IUnknown**)object);
+            IUnknown_Release(*(IUnknown**)object);
         memmove( dest, object, type->size );
         /* if it is a pointer, adjust it */
         if (type->size == sizeof(void*)) *dest = get_this_pointer( &type->offsets, *dest );
@@ -278,7 +280,7 @@ static inline void copy_exception( void *object, void **dest, UINT catch_flags,
         else
         {
             if (type->flags & CLASS_IS_WINRT && *(IUnknown**)object)
-                IUnknown_AddRef(*(IUnknown**)object);
+                IUnknown_Release(*(IUnknown**)object);
             memmove( dest, get_this_pointer( &type->offsets, object ), type->size );
         }
     }