- add mozilla-add-glibcxx_use_cxx11_abi.patch grabbed from
https://bugzilla.mozilla.org/show_bug.cgi?id=1153109

- update to Firefox 38.0.1
stability and regression fixes
* Systems with first generation NVidia Optimus graphics cards
may crash on start-up
* Users who import cookies from Google Chrome can end up with
broken websites
* Large animated images may fail to play and may stop other
images from loading

- update to Firefox 38.0 (bnc#930622)
* New tab-based preferences
* Ruby annotation support
* more info: https://www.mozilla.org/en-US/firefox/38.0/releasenotes/
security fixes:
* MFSA 2015-46/CVE-2015-2708/CVE-2015-2709
Miscellaneous memory safety hazards
* MFSA 2015-47/VE-2015-0797 (bmo#1080995)
Buffer overflow parsing H.264 video with Linux Gstreamer
* MFSA 2015-48/CVE-2015-2710 (bmo#1149542)
Buffer overflow with SVG content and CSS
* MFSA 2015-49/CVE-2015-2711 (bmo#1113431)
Referrer policy ignored when links opened by middle-click and
context menu
* MFSA 2015-50/CVE-2015-2712 (bmo#1152280)
Out-of-bounds read and write in asm.js validation
* MFSA 2015-51/CVE-2015-2713 (bmo#1153478)
Use-after-free during text processing with vertical text enabled