Use C89/C99/C++ compliant boolean types

configure.in

src/helper/types.h

src/jtag/bitbang.c

src/jtag/bitq.c

src/jtag/ft2232.c

src/jtag/gw16012.c

src/jtag/jlink.c

src/jtag/jtag.c

src/jtag/jtag.h

src/jtag/rlink/rlink.c

src/jtag/usbprog.c

src/jtag/vsllink.c

src/jtag/zy1000.c

src/xsvf/xsvf.c