[PATCH 2/3] msvcp90: Call Release instead of AddRef for WinRT exceptions in copy_exception helper.

[Vibhav Pant]

From: Vibhav Pant

---
 dlls/msvcp90/exception.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/dlls/msvcp90/exception.c b/dlls/msvcp90/exception.c
index aef1268068c..2ea2eeabb04 100644
--- a/dlls/msvcp90/exception.c
+++ b/dlls/msvcp90/exception.c
@@ -1200,8 +1200,10 @@ static inline void copy_exception( void *object, void **dest, UINT catch_flags,
 {
     if (type->flags & CLASS_IS_SIMPLE_TYPE)
     {
-        if (type->flags & CLASS_IS_IUNKNOWN && *(IUnknown**)object)
-            IUnknown_AddRef(*(IUnknown**)object);
+        /* 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_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 );
@@ -1216,8 +1218,8 @@ static inline void copy_exception( void *object, void **dest, UINT catch_flags,
         }
         else
         {
-            if (type->flags & CLASS_IS_IUNKNOWN && *(IUnknown**)object)
-                IUnknown_AddRef(*(IUnknown**)object);
+            if (type->flags & CLASS_IS_WINRT && *(IUnknown**)object)
+                IUnknown_Release(*(IUnknown**)object);
             memmove( dest, get_this_pointer( &type->offsets, object ), type->size );
         }
     }