Update Qt to 4.8.2 from qt-project

(cherry picked from commit 97646e602b530224117fdfea2f35677a038f7c86)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

contrib/src/qt4/SHA512SUMS

-a48825a3d42c93c6d9d769d9f79b297d92b5deb9003c89c2d1f1b364b496fc6e7d307e0eb6b798ae49d7bf1928caeda6741025242499296550293518004c3d90  qt-4.8.1.tar.gz
+42c07c8c56c42e85241efa90fa7d1a757343a5cfcc1627bfd4a629f96885b83628a04ed911aa2250bc827f51207e61a2b52904102a6d249f10f5e708fad78b62  qt-4.8.2.tar.gz

contrib/src/qt4/rules.mak

 # qt4
 
-QT4_VERSION = 4.8.1
-QT4_URL := http://download.qt.nokia.com/qt/source/qt-everywhere-opensource-src-$(QT4_VERSION).tar.gz
+QT4_VERSION = 4.8.2
+QT4_URL := http://releases.qt-project.org/qt4/source/qt-everywhere-opensource-src-$(QT4_VERSION).tar.gz
 
 ifdef HAVE_MACOSX
 #PKGS += qt4