* src/rtl/gtsln/kbsln.c
* public variable hb_DeadKey made static and renamed to
s_iDeadKey. Pls shout if this is needed to be kept public,
but even in that case it should get a new name.
* static hb_DeadKeyEnvName renamed to s_DeadKeyEnvName
* Changed HRBNATIONDEADKEY to HB_GTSLN_NATIONDEADKEY to better
fit into Harbour control envvar names.
Pls shout if this break lots of configurations.
* Whitespace formatting.