gfortran.h: Do not include coretypes.h here.

gfortran.h: Do not include coretypes.h here.

	* gfortran.h: Do not include coretypes.h here.
	Make it an error to include this before coretypes.h
	* openmp.c: Include coretypes.h.
	* interface.c: Likewise.
	* intrinsic.c: Likewise.
	* symbol.c: Likewise.
	* class.c: Likewise.
	* decl.c: Likewise.
	* matchexp.c: Likewise.
	* dump-parse-tree.c: Likewise.
	* array.c: Likewise.
	* constructor.c: Likewise.
	* error.c: Likewise.
	* data.c: Likewise.
	* expr.c: Likewise.
	* module.c: Likewise.
	* scanner.c: Likewise.
	* bbt.c: Likewise.
	* io.c: Likewise.
	* frontend-passes.c: Likewise.
	* resolve.c: Likewise.
	* st.c: Likewise.
	* target-memory.c: Likewise.
	* match.c: Likewise.
	* arith.c: Likewise.
	* parse.c: Likewise.
	* check.c: Likewise.
	* dependency.c: Likewise.
	* primary.c: Likewise.
	* misc.c: Likewise.
	* simplify.c: Likewise.

From-SVN: r189357