Fixed and updated libswd.h defines.
Fixed and updated libswd.h defines.

ongjohn/LibSWD,ongjohn/LibSWD,cedar-renjun/LibSWD,ongjohn/LibSWD,cedar-renjun/LibSWD,shangdawei/LibSWD,shangdawei/LibSWD,shangdawei/LibSWD,cedar-renjun/LibSWD