c-target.def: New hook

c-target.def: New hook

2013-09-13  Jacek Caban  <jacek@codeweavers.com>

	* c-target.def: New hook

    gcc/ChangeLog:

2013-09-13  Jacek Caban  <jacek@codeweavers.com>

	* config.gcc: Use new winnt-c.c target hooks
	* config/t-winnt: New file
	* config/winnt-c.c: New file
	* doc/tm.texi.in: Document new hook
	* doc/tm.texi: Regenerated

    gcc/cp/Changelog:

2013-09-13  Jacek Caban  <jacek@codeweavers.com>

	* decl.c: Use new cxx_implicit_extern_c hook

    gcc/testsuite/ChangeLog:

2013-09-13  Jacek Caban  <jacek@codeweavers.com>

	* g++.dg/abi/main.C: Added implicit C linkage tests

From-SVN: r202573