This update for MozillaThunderbird fixes the following issues:

Mozilla Thunderbird was updated to 60.7.0

* Attachment pane of Write window no longer focussed when attaching
files using a keyboard shortcut

Security issues fixed (MFSA 2019-15 boo#1135824):

* CVE-2018-18511: Cross-origin theft of images with ImageBitmapRenderingContext
* CVE-2019-11691: Use-after-free in XMLHttpRequest
* CVE-2019-11692: Use-after-free removing listeners in the event listener manager
* CVE-2019-11693: Buffer overflow in WebGL bufferdata on Linux
* CVE-2019-11694: (Windows only) Uninitialized memory memory leakage in Windows sandbox
* CVE-2019-11698: Theft of user history data through drag and drop of hyperlinks to and from bookmarks
* CVE-2019-5798: Out-of-bounds read in Skia
* CVE-2019-7317: Use-after-free in png_image_free of libpng library
* CVE-2019-9797: Cross-origin theft of images with createImageBitmap
* CVE-2019-9800: Memory safety bugs fixed in Firefox 67 and Firefox ESR 60.7
* CVE-2019-9815: Disable hyperthreading on content JavaScript threads on macOS
* CVE-2019-9816: Type confusion with object groups and UnboxedObjects
* CVE-2019-9817: Stealing of cross-domain images using canvas
* CVE-2019-9818: Use-after-free in crash generation server
* CVE-2019-9819: Compartment mismatch with fetch API
* CVE-2019-9820: Use-after-free of ChromeEventHandler by DocShell

- Disable LTO (boo#1133267).

- Add patch to fix build using rust-1.33: (boo#1130694)