Bug 1297314 - Initialize IPC union parameters to void_t for the case when RecvKeywordToURI() returns early. r=kanru

MozReview-Commit-ID: DlrROVhekSF

--HG--
extra : rebase_source : fd4b7c73849238776abacebbc3de75f3ce3a0824

dom/ipc/ContentParent.cpp

@@ -4445,6 +4445,9 @@ ContentParent::RecvKeywordToURI(const nsCString& aKeyword,
                                 OptionalInputStreamParams* aPostData,
                                 OptionalURIParams* aURI)
 {
+  *aPostData = void_t();
+  *aURI = void_t();
+
   nsCOMPtr<nsIURIFixup> fixup = do_GetService(NS_URIFIXUP_CONTRACTID);
   if (!fixup) {
     return true;