Gabriel Ivăncescu : mshtml: Explicitly hold ref to the plugin host in NPP_New.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 08dc691dfb410de7115db3f9c34b225327e21f67
URL:    https://gitlab.winehq.org/wine/wine/-/commit/08dc691dfb410de7115db3f9c34b225...

Author: Gabriel Ivăncescu <gabrielopcode(a)gmail.com>
Date:   Mon May 22 19:03:22 2023 +0300

mshtml: Explicitly hold ref to the plugin host in NPP_New.

Currently this worked by luck because it is leaking; the element holding
it never releases it.

Signed-off-by: Gabriel Ivăncescu <gabrielopcode(a)gmail.com>

---

 dlls/mshtml/npplugin.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dlls/mshtml/npplugin.c b/dlls/mshtml/npplugin.c
index a1c38e5ed1a..6dfb65c0a6e 100644
--- a/dlls/mshtml/npplugin.c
+++ b/dlls/mshtml/npplugin.c
@@ -301,6 +301,7 @@ static NPError CDECL NPP_New(NPMIMEType pluginType, NPP instance, UINT16 mode, I
     }
 
     instance->pdata = container->plugin_host;
+    IOleClientSite_AddRef(&container->plugin_host->IOleClientSite_iface);
 
     node_release(&container->element.node);
     return err;