Build broken on Mac in master branch unix directory #261

CC ../py/objtuple.c
gcc -I. -I../py -Wall -Werror -ansi -std=gnu99 -DUNIX -DMICROPY_MOD_TIME=1 -Os -c -MD -o build/py/objtuple.o ../py/objtuple.c
CC ../py/objtype.c
gcc -I. -I../py -Wall -Werror -ansi -std=gnu99 -DUNIX -DMICROPY_MOD_TIME=1 -Os -c -MD -o build/py/objtype.o ../py/objtype.c
../py/objtype.c:126:25: error: initializer overrides prior initialization of
this subobject [-Werror,-Winitializer-overrides]
[RT_UNARY_OP_NOT] = MP_QSTR_, // not implemented, used to make sure ...
^~~~~~~~
../py/objtype.c:120:25: note: previous initialization is here
[RT_UNARY_OP_NOT] = MP_QSTR_, // don't need to implement this
^~~~~~~~
1 error generated.
make: *** [build/py/objtype.o] Error 1