Log Message:
seamonkey: provide patch for CVE-2018-5148: Use-after-free in compositor

A use-after-free vulnerability can occur in the compositor during
certain graphics operations when a raw pointer is used instead of a
reference counted one. This results in a potentially exploitable crash

Bug 1440717 - Use RefPtr for CompositingRenderTargetOGL::mGL. r=Bas, a=ritu

PKGREVISION++