Contrib/dhkolf/libgtemu/luagt.c: fix order of parameters for onkeydown/up-callbacks
Contrib/dhkolf/libgtemu/luagt.c: fix order of parameters for onkeydown/up-callbacks

kervinck/gigatron-rom,kervinck/gigatron-rom,kervinck/gigatron-rom,kervinck/gigatron-rom,kervinck/gigatron-rom,kervinck/gigatron-rom,kervinck/gigatron-rom