Plugin imonlcd kompiliert mit vdr-1.7.28 nicht mehr

# make
g++ -g -O3 -Wall -Werror=overloaded-virtual -Wno-parentheses -fPIC -c -D_GNU_SOURCE -DPLUGIN_NAME_I18N='"imonlcd"' -I/usr/local/src/6400/dvb/dvb/linux/include -I../../../include -I/usr/include/freetype2 imon.c
In file included from ../../../include/vdr/config.h:20:0,
                 from ../../../include/vdr/channels.h:13,
                 from ../../../include/vdr/device.h:13,
                 from ../../../include/vdr/dvbdevice.h:15,
                 from ../../../include/vdr/menuitems.h:14,
                 from setup.h:17,
                 from imon.c:28:
../../../include/vdr/font.h:58:16: error: ‘virtual void cFont::DrawText(cPixmap*, int, int, const char*, tColor, tColor, int) const’ was hidden [-Werror=overloaded-virtual]
In file included from imon.c:29:0:
ffont.h:76:7: error:   by ‘ciMonFont::DrawText’ [-Werror=overloaded-virtual]
imon.c: In member function ‘bool ciMonLCD::SendCmd(const uint64_t&)’:
imon.c:521:5: warning: format ‘%llx’ expects argument of type ‘long long unsigned int’, but argument 3 has type ‘uint64_t {aka long unsigned int}’ [-Wformat]
imon.c: In member function ‘int ciMonLCD::lengthToPixels(int)’:
imon.c:641:2: warning: narrowing conversion of ‘2164260863u’ from ‘unsigned int’ to ‘int’ inside { } is ill-formed in C++11 [-Wnarrowing]
imon.c:641:2: warning: narrowing conversion of ‘3238002687u’ from ‘unsigned int’ to ‘int’ inside { } is ill-formed in C++11 [-Wnarrowing]
imon.c:641:2: warning: narrowing conversion of ‘3774873599u’ from ‘unsigned int’ to ‘int’ inside { } is ill-formed in C++11 [-Wnarrowing]
imon.c:641:2: warning: narrowing conversion of ‘4043309055u’ from ‘unsigned int’ to ‘int’ inside { } is ill-formed in C++11 [-Wnarrowing]
imon.c:641:2: warning: narrowing conversion of ‘4177526783u’ from ‘unsigned int’ to ‘int’ inside { } is ill-formed in C++11 [-Wnarrowing]
imon.c:641:2: warning: narrowing conversion of ‘4244635647u’ from ‘unsigned int’ to ‘int’ inside { } is ill-formed in C++11 [-Wnarrowing]
imon.c:641:2: warning: narrowing conversion of ‘4278190079u’ from ‘unsigned int’ to ‘int’ inside { } is ill-formed in C++11 [-Wnarrowing]
imon.c:641:2: warning: narrowing conversion of ‘4294967295u’ from ‘unsigned int’ to ‘int’ inside { } is ill-formed in C++11 [-Wnarrowing]
cc1plus: some warnings being treated as errors
make: *** [imon.o] Error 1