Freelan_gui_settings.cpp: minor fix

[barracuda156]

Fix for:

/opt/local/var/macports/build/_opt_svacchanda_SonomaPorts_aqua_freelan-gui/freelan-gui/work/compwrap/cxx/usr/bin/clang++ -c -I/opt/local/include -Os -stdlib=libc++ -arch arm64 -Wall -Wextra -Werror -Wno-unknown-pragmas -O2 -arch arm64 -Xarch_arm64 -mmacosx-version-min=12.0 -Wall -W -DORGANISATION_NAME="\"Freelan Incorporated\"" -DORGANISATION_DOMAIN="\"freelan.org\"" -DTARGET="\"Freelan_gui\"" -DVERSION="\"0.0.1\"" -DBUILD=1 -DQT_USE_FAST_CONCATENATION -DQT_USE_FAST_OPERATOR_PLUS -DQT_USE_QSTRINGBUILDER -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -DQT_SHARED -I/opt/local/libexec/qt4/share/mkspecs/macx-g++ -I. -I. -I/opt/local/libexec/qt4/Library/Frameworks/QtCore.framework/Versions/4/Headers -I/opt/local/libexec/qt4/Library/Frameworks/QtNetwork.framework/Versions/4/Headers -I/opt/local/libexec/qt4/Library/Frameworks/QtGui.framework/Versions/4/Headers -I/opt/local/libexec/qt4/Library/Frameworks/QtGui.framework/Versions/4/Headers -I/opt/local/libexec/qt4/Library/Frameworks/QtNetwork.framework/Versions/4/Headers -I/opt/local/libexec/qt4/Library/Frameworks/QtCore.framework/Versions/4/Headers -I/opt/local/libexec/qt4/include -I. -F/opt/local/libexec/qt4/Library/Frameworks -F/opt/local/libexec/qt4/lib -o moc_Freelan_gui.o moc_Freelan_gui.cpp
src/Freelan_gui_settings.cpp:826:43: error: a space is required between consecutive right angle brackets (use '> >')
                const QHash < QString, QList < QVariant >>& value_hash = m_values[ prefix ];
                                                        ^~
                                                        > >
1 error generated.
make: *** [Freelan_gui_settings.o] Error 1
make: *** Waiting for unfinished jobs....