Fix Javaconnect build bustage on Win32. r=tor, a=mkaply. Not part of default build.

git-svn-id: svn://10.0.0.236/trunk@174298 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/extensions/java/xpcom/nsJavaXPTCStub.cpp

@@ -186,7 +186,7 @@ nsJavaXPTCStub::ReleaseWeakRef()
 {
   // if this is a child
   if (mMaster)
-    return mMaster->ReleaseWeakRef();
+    mMaster->ReleaseWeakRef();
 
   --mWeakRefCnt;