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-rw-r--r--embed/mozilla/EventContext.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/embed/mozilla/EventContext.cpp b/embed/mozilla/EventContext.cpp
index 03c18922d..1abaca313 100644
--- a/embed/mozilla/EventContext.cpp
+++ b/embed/mozilla/EventContext.cpp
@@ -577,7 +577,7 @@ nsresult EventContext::GetCSSBackground (nsIDOMNode *node, nsAString& url)
nsresult EventContext::GetMouseEventInfo (nsIDOMMouseEvent *aMouseEvent, MozillaEmbedEvent *info)
{
/* FIXME: casting 32-bit guint* to PRUint16* below will break on big-endian */
- PRUint16 btn;
+ PRUint16 btn = (PRUint16) -1;
aMouseEvent->GetButton (&btn);
switch (btn)