FTBFS: test tool

[sur5r]

$ make test
echo "#define GV \"rgb2rv12-4-g9675cba\"" > include/version.h
cc65 -I include -t c128 -O src/config.c
ca65 -I include -t c128 src/config.s
cc65 -I include -t c128 -O test/test.c
test/test.c(15): Error: Call to undefined function `load_state'
test/test.c(23): Error: Call to undefined function `save_state'
test/test.c(34): Warning: Control reaches end of non-void function
Makefile:13: recipe for target 'test/test.o' failed
make: *** [test/test.o] Error 1