	* tlsInt.h:
	* tls.c:
	* tlsIO.c: corrected structure initialization to work when
	compiling with 8.2.  Now compiles with 8.2+ and tested to work
	with 8.2+ and dynamically adjust to the version of Tcl it was
	loaded into.  TLS will fail the test suite with Tcl 8.2-8.3.1.