gifwriter bgcolor narrowing

gif/gifwriter.cpp: In function ‘bool exportGif(const QImage&, const QString&)’:
gif/gifwriter.cpp:109:47: warning: narrowing conversion of ‘bgcolor’ from ‘int’ to ‘char’ inside { } is ill-formed in C++11 [-Wnarrowing]
unbundle giflib
unbundle mongoose
unbundle breakpad
unbundle qt
unbundle linenoise
unbundle QCommandLine

This relies on some patches for QCommandLine which have been submitted
upstream:

http://dev.iksaif.net/issues/252
unbundle coffee-script