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@gmail.com>

mshtml: Explicitly hold ref to the plugin host in NPP_New.
08dc691d · Gabriel Ivăncescu · Alexandre Julliard · baebde4b · 08dc691d
Commit 08dc691d authored May 22, 2023 by Gabriel Ivăncescu Committed by Alexandre Julliard May 25, 2023
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npplugin.c dlls/mshtml/npplugin.c +1 -0

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--- 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;