firefox: Update version from 47.0.1 to 48.0

Remove unsupported configure switches to get it building.

The Chinese MSN Web site, and the Chinese Wikipedia display fine.

Release Notes [1]
=================

New
---

*   Process separation (e10s) is enabled for some of you. Like it? Let
    us know and we'll roll it out to more.

*   Roar for moar protection against harmful downloads! We've got your
    back

*   Add-ons that have not been verified and signed by Mozilla will not
    load

*   GNU/Linux fans: Get better Canvas performance with speedy Skia
support. Try saying that three times fast

*   WebRTC embetterments:
    *   Delay-agnostic AEC enabled
    *   Full duplex for GNU/Linux enabled
    *   ICE Restart & Update is supported
    *   Cloning of MediaStream and MediaStreamTrack is now supported

*   Searching for something already in your bookmarks or open tabs? We
    added super smart icons to let you know

*   Windows folks: Tab (move buttons) and Shift+F10 (pop-up menus) now
    behave as they should in Firefox customization mode

*   The media parser has been redeveloped using the Rust programming
    language

*   Windows 7 systems without Platform Update can now use D3D11 WARP

Fixed
-----

*   Various security fixes

*   Improved step debugging on last line of functions

*   Heyo, Jabra & Logitech C920 webcam users. We fixed those pesky
    WebRTC bugs causing frequency distortions. Buh-bye, squeaky voice!

Changed
-------

*   After version 48, SSE2 CPU extensions are going to be required on
    Windows

*   So long to support for 10.6, 10.7 and 10.8. Now we can focus on
    where most Mac users are: 10.9. Don't forget to upgrade!

*   Au revoir to Windows Remote Access Service modem Autodial

[1] https://www.mozilla.org/en-US/firefox/48.0/releasenotes/

firefox.be0

@@ -2,21 +2,21 @@
 
 #export BEE_TMP_TMPDIR=/dev/shm BEE_TMP_BUILDROOT=/dev/shm/bee-root BEE_MAKEFLAGS='-j80'
 
-# BEE_VERSION firefox-47.0.1-2
+# BEE_VERSION firefox-48.0-0
 
 SRCURL[0]="https://ftp.mozilla.org/pub/firefox/releases/${PKGVERSION}/source/firefox-${PKGVERSION}.source.tar.xz"
 
 BEE_BUILDTYPE=autotools
 
 mee_configure() {
-    bee_configure \
+    "${S}"/configure \
+        --prefix=/usr \
         --enable-application=browser \
         --disable-necko-wifi \
         --enable-official-branding \
         --without-system-icu \
         --without-system-nspr \
         --disable-dbus \
-        --disable-update \
         --disable-crashreporter \
         --disable-tests \
         --enable-optimize \